1 % Created 2010-10-12 Tue 16:22

     2 \documentclass[presentation]{beamer}

     3 \usepackage[latin1]{inputenc}

     4 \usepackage[T1]{fontenc}

     5 \usepackage{fixltx2e}

     6 \usepackage{graphicx}

     7 \usepackage{longtable}

     8 \usepackage{float}

     9 \usepackage{wrapfig}

    10 \usepackage{soul}

    11 \usepackage{t1enc}

    12 \usepackage{textcomp}

    13 \usepackage{marvosym}

    14 \usepackage{wasysym}

    15 \usepackage{latexsym}

    16 \usepackage{amssymb}

    17 \usepackage{hyperref}

    18 \tolerance=1000

    19 \usepackage[english]{babel} \usepackage{ae,aecompl}

    20 \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}

    21 \usepackage{listings}

    22 \lstset{language=Python, basicstyle=\ttfamily\bfseries,

    23 commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},

    24 showstringspaces=false, keywordstyle=\color{blue}\bfseries}

    25 \providecommand{\alert}[1]{\textbf{#1}}

    26 

    27 \title{Other type of plots}

    28 \author{FOSSEE}

    29 \date{}

    30 

    31 \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}

    32 \begin{document}

    33 

    34 \maketitle

    35 

    36 

    37 

    38 

    39 

    40 

    41 

    42 

    43 

    44 \begin{frame}

    45 \frametitle{Outline}

    46 \label{sec-1}

    47 

    48 \begin{itemize}

    49 \item Scatter plot

    50 \item Pie chart

    51 \item Bar chart

    52 \item Log-log Plot

    53 \item \texttt{matplotlib} help

    54 \end{itemize}

    55 \end{frame}

    56 \begin{frame}

    57 \frametitle{Exercise 1: Scatter plot}

    58 \label{sec-2}

    59 

    60   Plot a scatter plot showing the percentage profit of Company A from the year 2000

    61   to 2010. The data for the same is available in the file \texttt{company-a-data.txt}.

    62 \end{frame}

    63 \begin{frame}[fragile]

    64 \frametitle{\texttt{scatter()} function}

    65 \label{sec-3}

    66 

    67 \begin{itemize}

    68 \item \emph{Syntax :} scatter(x,y)

    69 

    70 \begin{itemize}

    71 \item x, a sequence of data

    72 \item y, a sequence of data, the same length of x

    73 \end{itemize}

    74 

    75 \end{itemize}

    76 

    77 \begin{verbatim}

    78    In []: scatter(year, profit)

    79 \end{verbatim}

    80 \end{frame}

    81 \begin{frame}[fragile]

    82 \frametitle{Exercise 2: Scatter plot}

    83 \label{sec-4}

    84 

    85   Plot a scatter plot of the same data in \texttt{company-a-data.txt} with red diamond markers.

    86 \begin{verbatim}

    87    

    88 \end{verbatim}

    89 

    90   \textbf{Clue} - \emph{try scatter? in your ipython interpreter}

    91 \end{frame}

    92 \begin{frame}

    93 \frametitle{Pie chart}

    94 \label{sec-5}

    95 

    96   Pie chart - a circle graph divided into sectors, illustrating proportion. 

    97 \end{frame}

    98 \begin{frame}[fragile]

    99 \frametitle{Exercise 3: Pie chart}

   100 \label{sec-6}

   101 

   102   Plot a pie chart representing the profit percentage of company A, with the data 

   103   from the file \texttt{company-a-data.txt}.

   104 \begin{verbatim}

   105    

   106 \end{verbatim}

   107 

   108   \emph{(we can reuse the data in lists year and profit)}

   109 \end{frame}

   110 \begin{frame}[fragile]

   111 \frametitle{\texttt{pie()} function}

   112 \label{sec-7}

   113 

   114 \begin{itemize}

   115 \item \emph{Syntax :} pie(values, labels=labels)

   116 

   117 \begin{itemize}

   118 \item values, the data to be plotted

   119 \item labels, the label for each wedge in the pie chart

   120 \end{itemize}

   121 

   122 \end{itemize}

   123 

   124 \begin{verbatim}

   125    In []: pie(profit, labels=year)

   126 \end{verbatim}

   127 \end{frame}

   128 \begin{frame}[fragile]

   129 \frametitle{Exercise 4: Pie chart}

   130 \label{sec-8}

   131 

   132   Plot a pie chart with the same data with colors for each wedges as white, red, 

   133   magenta, yellow, blue, green, cyan, yellow, magenta, and blue.

   134 \begin{verbatim}

   135    

   136 \end{verbatim}

   137 

   138   \textbf{Clue} - \emph{try pie? in your ipython interpreter}

   139 \end{frame}

   140 \begin{frame}

   141 \frametitle{Bar chart}

   142 \label{sec-9}

   143 

   144   Bar chart - a chart with rectangular bars with lengths proportional 

   145   to the values that they represent.

   146 \end{frame}

   147 \begin{frame}[fragile]

   148 \frametitle{Exercise 5: Bar chart}

   149 \label{sec-10}

   150 

   151   Plot a bar chart representing the profit percentage of company A, with the data 

   152   from the file \texttt{company-a-data.txt}.

   153 \begin{verbatim}

   154    

   155 \end{verbatim}

   156 

   157   \emph{(we can reuse the data in lists year and profit)}

   158 \end{frame}

   159 \begin{frame}[fragile]

   160 \frametitle{\texttt{bar()} function}

   161 \label{sec-11}

   162 

   163 \begin{itemize}

   164 \item \emph{Syntax :} bar(x, y)

   165 

   166 \begin{itemize}

   167 \item x, a sequence of data

   168 \item y, a sequence of data, the same length of x

   169 \end{itemize}

   170 

   171 \end{itemize}

   172 

   173 \begin{verbatim}

   174    In []: bar(year, profit)

   175 \end{verbatim}

   176 \end{frame}

   177 \begin{frame}

   178 \frametitle{Exercise 6: Bar chart}

   179 \label{sec-12}

   180 

   181   Plot a bar chart which is not filled and which is hatched with 

   182     $45^o$

   183   slanting lines as shown in the image. The data for the chart may be

   184   obtained from the file \texttt{company-a-data.txt}.

   185    \begin{center}

   186       \includegraphics[scale=0.3]{bar-chart-hatch}    

   187     \end{center}

   188   \textbf{Clue} - \emph{try bar? in your ipython interpreter}

   189 \end{frame}

   190 \begin{frame}

   191 \frametitle{Log-log graph}

   192 \label{sec-13}

   193 

   194 \begin{itemize}

   195 \item Log-log graph

   196 

   197 \begin{itemize}

   198 \item 2-dimensional graph.

   199 \item uses logarithmic scales on both axes.

   200 \item graph appears as straight line due to non-linear scaling.

   201 \end{itemize}

   202 

   203 \end{itemize}

   204 \end{frame}

   205 \begin{frame}

   206 \frametitle{Exercise 7:}

   207 \label{sec-14}

   208 

   209   Plot a log-log chart of 

   210     $y = 5x^3$

   211   for x from 1-20.

   212 \end{frame}

   213 \begin{frame}[fragile]

   214 \frametitle{\texttt{loglog()} function}

   215 \label{sec-15}

   216 

   217 \begin{itemize}

   218 \item \emph{Syntax :} loglog(x, y)

   219 

   220 \begin{itemize}

   221 \item x, a sequence of data

   222 \item y, a sequence of data, the same length of x

   223 \end{itemize}

   224 

   225 \end{itemize}

   226 

   227 \begin{verbatim}

   228    In []: loglog(x, y)

   229 \end{verbatim}

   230 \end{frame}

   231 \begin{frame}

   232 \frametitle{Getting help on \texttt{matplotlib}}

   233 \label{sec-16}

   234 

   235 \begin{itemize}

   236 \item Help

   237 

   238 \begin{itemize}

   239 \item \hyperref[sec-16]{matplotlib.sourceforge.net/contents.html}

   240 \end{itemize}

   241 

   242 \item More plots

   243 

   244 \begin{itemize}

   245 \item \hyperref[sec-16]{matplotlib.sourceforge.net/users/screenshots.html}

   246 \item \hyperref[sec-16]{matplotlib.sourceforge.net/gallery.html}

   247 \end{itemize}

   248 

   249 \end{itemize}

   250 \end{frame}

   251 \begin{frame}

   252 \frametitle{Summary}

   253 \label{sec-17}

   254 

   255 \begin{itemize}

   256 \item Scatter plot (\texttt{scatter()})

   257 \item Pie chart (\texttt{pie()})

   258 \item Bar chart (\texttt{bar()})

   259 \item Log-log plot (\texttt{loglog()})

   260 \item \texttt{matplotlib} online help

   261 \end{itemize}

   262 \end{frame}

   263 \begin{frame}

   264 \frametitle{Thank you!}

   265 \label{sec-18}

   266 

   267   \begin{block}{}

   268   \begin{center}

   269   This spoken tutorial has been produced by the

   270   \textcolor{blue}{FOSSEE} team, which is funded by the 

   271   \end{center}

   272   \begin{center}

   273     \textcolor{blue}{National Mission on Education through \\

   274       Information \& Communication Technology \\ 

   275       MHRD, Govt. of India}.

   276   \end{center}  

   277   \end{block}

   278 \end{frame}

   279 

   280 \end{document}