day1/session3.tex
author Madhusudan.C.S <madhusudancs@gmail.com>
Mon, 26 Oct 2009 14:23:49 +0530
changeset 170 36ed5cdf5fde
parent 167 5f13be28532d
child 174 a43832c1edc2
permissions -rw-r--r--
Reorganized the slides for sslc1.txt.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
142
57e0f0fd3317 Made usage of FOSSEE consistent, in comments also.
Puneeth Chaganti <punchagan@fossee.in>
parents: 137
diff changeset
     2
%Tutorial slides on Python.
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     3
%
142
57e0f0fd3317 Made usage of FOSSEE consistent, in comments also.
Puneeth Chaganti <punchagan@fossee.in>
parents: 137
diff changeset
     4
% Author: FOSSEE
57e0f0fd3317 Made usage of FOSSEE consistent, in comments also.
Puneeth Chaganti <punchagan@fossee.in>
parents: 137
diff changeset
     5
% Copyright (c) 2009, FOSSEE, IIT Bombay
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     6
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     7
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     8
\documentclass[14pt,compress]{beamer}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     9
%\documentclass[draft]{beamer}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    10
%\documentclass[compress,handout]{beamer}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    11
%\usepackage{pgfpages} 
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    12
%\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    13
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    14
% Modified from: generic-ornate-15min-45min.de.tex
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    15
\mode<presentation>
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    16
{
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    17
  \usetheme{Warsaw}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    18
  \useoutertheme{split}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    19
  \setbeamercovered{transparent}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    20
}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    21
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    22
\usepackage[english]{babel}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    23
\usepackage[latin1]{inputenc}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    24
%\usepackage{times}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    25
\usepackage[T1]{fontenc}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    26
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    27
% Taken from Fernando's slides.
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    28
\usepackage{ae,aecompl}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    29
\usepackage{mathpazo,courier,euler}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    30
\usepackage[scaled=.95]{helvet}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
    31
\usepackage{amsmath}
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    32
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    33
\definecolor{darkgreen}{rgb}{0,0.5,0}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    34
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    35
\usepackage{listings}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    36
\lstset{language=Python,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    37
    basicstyle=\ttfamily\bfseries,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    38
    commentstyle=\color{red}\itshape,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    39
  stringstyle=\color{darkgreen},
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    40
  showstringspaces=false,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    41
  keywordstyle=\color{blue}\bfseries}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    42
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    43
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    44
% Macros
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    45
\setbeamercolor{emphbar}{bg=blue!20, fg=black}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    46
\newcommand{\emphbar}[1]
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    47
{\begin{beamercolorbox}[rounded=true]{emphbar} 
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    48
      {#1}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    49
 \end{beamercolorbox}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    50
}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    51
\newcounter{time}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    52
\setcounter{time}{0}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    53
\newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    54
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    55
\newcommand{\typ}[1]{\lstinline{#1}}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    56
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    57
\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    58
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    59
%%% This is from Fernando's setup.
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    60
% \usepackage{color}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    61
% \definecolor{orange}{cmyk}{0,0.4,0.8,0.2}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    62
% % Use and configure listings package for nicely formatted code
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    63
% \usepackage{listings}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    64
% \lstset{
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    65
%    language=Python,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    66
%    basicstyle=\small\ttfamily,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    67
%    commentstyle=\ttfamily\color{blue},
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    68
%    stringstyle=\ttfamily\color{orange},
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    69
%    showstringspaces=false,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    70
%    breaklines=true,
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    71
%    postbreak = \space\dots
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    72
% }
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    73
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    74
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    75
% Title page
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
    76
\title[]{Least Squares Fit\\Statistical Plotting}
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    77
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    78
\author[FOSSEE] {FOSSEE}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    79
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    80
\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
131
b3a78754c4a9 Minor edits to day1 session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 125
diff changeset
    81
\date[] {31, October 2009\\Day 1, Session 3}
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    82
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    83
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    84
%\pgfdeclareimage[height=0.75cm]{iitmlogo}{iitmlogo}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    85
%\logo{\pgfuseimage{iitmlogo}}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    86
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    87
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    88
%% Delete this, if you do not want the table of contents to pop up at
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    89
%% the beginning of each subsection:
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    90
\AtBeginSubsection[]
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    91
{
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    92
  \begin{frame}<beamer>
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    93
    \frametitle{Outline}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    94
    \tableofcontents[currentsection,currentsubsection]
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    95
  \end{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    96
}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    97
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    98
\AtBeginSection[]
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    99
{
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   100
  \begin{frame}<beamer>
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   101
    \frametitle{Outline}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   102
    \tableofcontents[currentsection,currentsubsection]
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   103
  \end{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   104
}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   105
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   106
\newcommand{\num}{\texttt{numpy}}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   107
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   108
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   109
% If you wish to uncover everything in a step-wise fashion, uncomment
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   110
% the following command: 
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   111
%\beamerdefaultoverlayspecification{<+->}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   112
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   113
%\includeonlyframes{current,current1,current2,current3,current4,current5,current6}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   114
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   115
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   116
% DOCUMENT STARTS
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   117
\begin{document}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   118
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   119
\begin{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   120
  \maketitle
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   121
\end{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   122
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   123
%% \begin{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   124
%%   \frametitle{Outline}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   125
%%   \tableofcontents
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   126
%%   % You might wish to add the option [pausesections]
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   127
%% \end{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   128
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   129
\begin{frame}[fragile]
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   130
\frametitle{Least Squares Fit}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   131
\vspace{-0.15in}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   132
\begin{figure}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   133
\includegraphics[width=4in]{data/least-sq-fit.png}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   134
\end{figure}
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   135
\end{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   136
117
958e3e090c6b Session 3 now compiles; errors corrected.
Puneeth Chaganti <punchagan@fossee.in>
parents: 116
diff changeset
   137
\begin{frame}[fragile]
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   138
\frametitle{Calculating $T^2$ Efficiently}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   139
\begin{lstlisting}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   140
In []: for t in T:
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   141
 ....:     Tsq.append(t*t)
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   142
\end{lstlisting}
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   143
\begin{itemize}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   144
\item This is not very efficient
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   145
\item We use arrays to make it efficient
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   146
\end{itemize}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   147
\begin{lstlisting}
137
4dea7c5e1bf5 Minor Typo edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 131
diff changeset
   148
In []: L = array(L)
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   149
In []: T = array(T)
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   150
In []: Tsq = T*T
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   151
In []: plot(L, Tsq, 'o')
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   152
\end{lstlisting}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   153
\end{frame}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   154
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   155
\begin{frame}[fragile]
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   156
\frametitle{Arrays}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   157
\begin{itemize}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   158
\item \typ{T} and \typ{L} are now arrays
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   159
\item arrays are very efficient and powerful 
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   160
\item Very easy to perform element-wise operations
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   161
\item \typ{+, -, *, /, \%}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   162
\item More about arrays later
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   163
\end{itemize}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   164
\end{frame}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   165
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   166
\begin{frame}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   167
\frametitle{Least Square Fit Curve}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   168
\begin{itemize}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   169
\item $T^2$ and $L$ have a linear relationship
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   170
\item Hence, Least Square Fit Curve is a line
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   171
\item we shall use the \typ{lstsq} function
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   172
\end{itemize}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   173
\end{frame}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   174
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   175
\begin{frame}[fragile]
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   176
\frametitle{\typ{lstsq}}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   177
\begin{itemize}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   178
\item We need to fit a line through points for the equation $T^2 = m \cdot L+c$
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   179
\item The equation can be re-written as $T^2 = A \cdot p$
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   180
\item where A is   
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   181
  $\begin{bmatrix}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   182
  L_1 & 1 \\
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   183
  L_2 & 1 \\
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   184
  \vdots & \vdots\\
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   185
  L_N & 1 \\
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   186
  \end{bmatrix}$
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   187
  and p is 
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   188
  $\begin{bmatrix}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   189
  m\\
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   190
  c\\
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   191
  \end{bmatrix}$
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   192
\item We need to find $p$ to plot the line
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   193
\end{itemize}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   194
\end{frame}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   195
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   196
\begin{frame}[fragile]
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   197
\frametitle{Van der Monde Matrix}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   198
\begin{itemize}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   199
\item A is also called a Van der Monde matrix
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   200
\item It can be generated using \typ{vander}
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   201
\end{itemize}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   202
Van der Monde matrix of order M
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   203
\begin{equation*}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   204
  \begin{bmatrix}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   205
  l_1^{M-1} & \ldots & l_1 & 1 \\
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   206
  l_2^{M-1} & \ldots &l_2 & 1 \\
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   207
  \vdots & \ldots & \vdots & \vdots\\
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   208
  l_N^{M-1} & \ldots & l_N & 1 \\
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   209
  \end{bmatrix}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   210
\end{equation*}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   211
\begin{lstlisting}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   212
In []: A = vander(L,2)
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   213
\end{lstlisting}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   214
\end{frame}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   215
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   216
\begin{frame}[fragile]
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   217
\frametitle{\typ{lstsq} \ldots}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   218
\begin{itemize}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   219
\item Now use the \typ{lstsq} function
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   220
\item Along with a lot of things, it returns the least squares solution
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   221
\end{itemize}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   222
\begin{lstlisting}
131
b3a78754c4a9 Minor edits to day1 session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 125
diff changeset
   223
In []: coef, res, r, s = lstsq(A,Tsq)
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   224
\end{lstlisting}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   225
\end{frame}
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   226
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   227
\begin{frame}[fragile]
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   228
\frametitle{Least Square Fit Line \ldots}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   229
We get the points of the line from \typ{coef}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   230
\begin{lstlisting}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   231
In []: Tline = coef[0]*L + coef[1]
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   232
\end{lstlisting}
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   233
\begin{itemize}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   234
\item Now plot Tline vs. L, to get the Least squares fit line. 
164
b03c0d1be31f Changed Least squares fit in session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 161
diff changeset
   235
\end{itemize}
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   236
\begin{lstlisting}
131
b3a78754c4a9 Minor edits to day1 session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 125
diff changeset
   237
In []: plot(L, Tline)
116
cb91f43d2cbb Added Least Square Fitting to Session3.
Puneeth Chaganti <punchagan@fossee.in>
parents: 115
diff changeset
   238
\end{lstlisting}
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   239
\end{frame}
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   240
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   241
\begin{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   242
  \frametitle{Statistical Analysis and Parsing}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   243
  Read the data supplied in \emph{sslc1.txt} and obtain the following statistics:
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   244
  \begin{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   245
    \item Average total marks scored in each region
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   246
    \item Subject wise average score of each region
125
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   247
    \item \alert{??Subject wise average score for all regions combined??}
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   248
    \item Find the subject wise standard deviation of scores for each region
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   249
  \end{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   250
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   251
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   252
\begin{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   253
  \frametitle{Statistical Analysis and Parsing \ldots}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   254
  Machinery Required -
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   255
  \begin{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   256
    \item File reading and parsing
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   257
    \item NumPy arrays - sum by rows and sum by coloumns
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   258
    \item Dictionaries
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   259
  \end{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   260
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   261
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   262
\begin{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   263
  \frametitle{File reading and parsing}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   264
  Understanding the structure of sslc1.txt
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   265
  \begin{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   266
    \item Each line in the file, i.e each row of a file is a single record.
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   267
    \item Each record corresponds to a record of a single student
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   268
    \item Each record consists of several fields separated by a ';'
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   269
  \end{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   270
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   271
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   272
\begin{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   273
  \frametitle{File reading and parsing \ldots}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   274
  Each record consists of:
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   275
  \begin{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   276
    \item Region Code
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   277
    \item Roll Number
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   278
    \item Name
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   279
    \item Marks of 5 subjects
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   280
    \item Total marks
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   281
    \item Pass (P)
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   282
    \item Withdrawn (W)
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   283
    \item Fail (F)
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   284
  \end{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   285
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   286
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   287
\begin{frame}[fragile]
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   288
  \frametitle{File reading and parsing \ldots}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   289
  \begin{lstlisting}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   290
for record in open('sslc1.txt'):
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   291
    fields = record.split(';')
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   292
  \end{lstlisting}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   293
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   294
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   295
\begin{frame}[fragile]
166
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   296
  \frametitle{Dictionary - Building parsed data}
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   297
  \begin{itemize}
166
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   298
    \item Let the parsed data be stored in dictionary \typ{data}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   299
    \item \begin{lstlisting}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   300
data = {}  # is an empty dictionary
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   301
\end{lstlisting}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   302
    \item Index of a dictionary is called a \emph{key}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   303
    \item \emph{Keys} of \typ{data} are strings - region codes
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   304
    \item Value of a \emph{key} can be any Python object
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   305
  \end{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   306
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   307
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   308
\begin{frame}[fragile]
166
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   309
  \frametitle{Dictionary - Building parsed data...}
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   310
  \begin{itemize}
166
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   311
    \item In this problem let the value of a \emph{key} be another dictionary.
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   312
    \item This dictionary contains:
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   313
    \begin{itemize}
170
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   314
      \item 'marks': A \emph{List} of \emph{Lists} containing all marks
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   315
      \item 'total': A \emph{List} of total marks of each student
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   316
      \item 'P': Number of passes
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   317
      \item 'F': Number of failures
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   318
      \item 'W': Number of withdrawls
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   319
    \end{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   320
  \end{itemize}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   321
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   322
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   323
\begin{frame}[fragile]
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   324
  \frametitle{Dictionary - Building parsed data \ldots}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   325
  \small
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   326
  \begin{lstlisting}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   327
data = {}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   328
for record in open('sslc1.txt'):
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   329
    fields = record.split(';')
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   330
    if fields[0] not in data:
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   331
        data[fields[0]] = {
166
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   332
            'marks': [],
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   333
            'total': [],
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   334
            'P': 0,
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   335
            'F': 0,
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   336
            'W': 0
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   337
            }
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   338
  \end{lstlisting}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   339
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   340
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   341
\begin{frame}[fragile]
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   342
  \frametitle{Dictionary - Building parsed data \ldots}
125
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   343
  \begin{lstlisting}
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   344
marks = []
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   345
for field in fields[3:8]:
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   346
    score_str = field.strip()
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   347
    score = 0 if score_str == 'AA'
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   348
        or score_str == 'AAA'
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   349
        or score_str == ''
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   350
        else int(score_str)
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   351
    marks.append(score)
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   352
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   353
data[fields[0]]['marks'].append(marks)
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   354
  \end{lstlisting}
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   355
\end{frame}
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   356
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   357
\begin{frame}[fragile]
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   358
  \frametitle{Dictionary - Building parsed data \ldots}
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   359
  \begin{lstlisting}
125
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   360
total = 0 if score_str == 'AA'
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   361
    or score_str == 'AAA'
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   362
    or score_str == ''
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   363
    else int(fields[8])
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   364
data[fields[0]]['total'].append(total)
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   365
  \end{lstlisting}
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   366
\end{frame}
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   367
125
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   368
\begin{frame}[fragile]
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   369
  \frametitle{Dictionary - Building parsed data \ldots}
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   370
  \begin{lstlisting}
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   371
pfw_key = fields[9]
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   372
    or fields[10]
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   373
    or 'F'
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   374
data[fields[0]][pfw_key] += 1
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   375
  \end{lstlisting}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   376
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   377
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   378
\begin{frame}[fragile]
170
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   379
  \frametitle{NumPy arrays}
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   380
  \centerline{\alert{But I lied!?!?!?}}
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   381
\end{frame}
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   382
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   383
\begin{frame}[fragile]
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   384
  \frametitle{Calculations}
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   385
  \begin{lstlisting}
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   386
for k in data:
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   387
    data[k]['marks'] = array(
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   388
        data[k]['marks'])
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   389
    data[k]['total'] = array(
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   390
        data[k]['total'])
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   391
  \end{lstlisting}
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   392
\end{frame}
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   393
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   394
\begin{frame}[fragile]
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   395
  \frametitle{Calculations}
125
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   396
  \small
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   397
  \begin{lstlisting}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   398
    data[k]['avg'] = average(
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   399
        data[k]['total'])
125
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   400
    marks = data[k]['marks']
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   401
    sub_avg = average(marks, axis=1)
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   402
    sub_std = sqrt(sum(square(
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   403
        sub_avg[:,newaxis] - marks), axis=0) /
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   404
        len(marks))
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   405
    data[k]['sub_avg'] = sub_avg
99ca3cb18fd2 Session 3 Day 1, sslc data parsing obtaining statistics.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 120
diff changeset
   406
    data[k]['sub_std'] = sub_std
120
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   407
  \end{lstlisting}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   408
\end{frame}
055b199c46c2 Added NumPy array operations to session3 day1 for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 117
diff changeset
   409
166
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   410
\begin{frame}[fragile]
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   411
  \frametitle{New Concepts}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   412
  \begin{itemize}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   413
   \item Dictionaries
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   414
   \item Slicing lists
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   415
   \item New type of conditional
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   416
   \item NumPy arrays
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   417
   \item Slicing NumPy arrays
170
36ed5cdf5fde Reorganized the slides for sslc1.txt.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 167
diff changeset
   418
   \item NumPy array functions - square, average, sqrt
166
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   419
  \end{itemize}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   420
\end{frame}
ddfd95133adc Taken task based approach for Session 3, day 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 161
diff changeset
   421
115
66709e58f765 Added session3.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   422
\end{document}