loading-data-from-files/slides.tex
author Puneeth Chaganti <punchagan@fossee.in>
Mon, 11 Oct 2010 01:02:02 +0530
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Slides for parsing data LO.
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% Created 2010-10-10 Sun 18:12
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\documentclass[presentation]{beamer}
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\usepackage[latin1]{inputenc}
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\usepackage[T1]{fontenc}
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\usepackage{fixltx2e}
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\usepackage{graphicx}
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\usepackage{longtable}
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\usepackage{float}
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\usepackage{wrapfig}
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\usepackage{soul}
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\usepackage{textcomp}
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\usepackage{marvosym}
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\usepackage{wasysym}
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\usepackage{latexsym}
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\usepackage{amssymb}
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\usepackage{hyperref}
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\tolerance=1000
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\usepackage[english]{babel} \usepackage{ae,aecompl}
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\usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}
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\usepackage{listings}
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\lstset{language=Python, basicstyle=\ttfamily\bfseries,
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commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},
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showstringspaces=false, keywordstyle=\color{blue}\bfseries}
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\providecommand{\alert}[1]{\textbf{#1}}
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\title{Loading data from files}
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\author{FOSSEE}
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\date{}
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\usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}
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\begin{document}
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\maketitle
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\begin{frame}
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\frametitle{Outline}
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\label{sec-1}
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\begin{itemize}
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\item Read data from files with a single column of data
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\item Read data from files with multiple columns
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\end{itemize}
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\end{frame}
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\begin{frame}
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\frametitle{Question 1}
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\label{sec-2}
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  Read the file \texttt{pendulum\_semicolon.txt} which contains the same data
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  as \texttt{pendulum.txt}, but the columns are separated by semi-colons
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  instead of spaces. Use the IPython help to see how to do this.
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Solution 1}
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\label{sec-3}
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\lstset{language=Python}
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\begin{lstlisting}
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In []: L, T = loadtxt('/home/fossee/pendulum_semicolon.txt', unpack=True, delimiter=';')
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In []: print L
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In []: print T
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\end{lstlisting}
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\end{frame}
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\begin{frame}
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\frametitle{Summary}
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\label{sec-4}
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\begin{itemize}
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\item Read data from files, containing a single column of data using the
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    \texttt{loadtxt} command.
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\item Read multiple columns of data, separated by spaces or other
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    delimiters.
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\end{itemize}
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\end{frame}
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\begin{frame}
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\frametitle{Thank you!}
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\label{sec-5}
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  \begin{block}{}
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  \begin{center}
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  This spoken tutorial has been produced by the
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  \textcolor{blue}{FOSSEE} team, which is funded by the 
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  \end{center}
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  \begin{center}
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    \textcolor{blue}{National Mission on Education through \\
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      Information \& Communication Technology \\ 
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      MHRD, Govt. of India}.
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  \end{center}  
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  \end{block}
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\end{frame}
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\end{document}