% Created 2010-10-12 Tue 16:22

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\usepackage{listings}

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

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

\title{Other type of plots}

\author{FOSSEE}

\date{}

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\begin{document}

\maketitle

\begin{frame}

\frametitle{Outline}

\label{sec-1}

\begin{itemize}

\item Scatter plot

\item Pie chart

\item Bar chart

\item Log-log Plot

\item \texttt{matplotlib} help

\end{itemize}

\end{frame}

\begin{frame}

\frametitle{Exercise 1: Scatter plot}

\label{sec-2}

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

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

\end{frame}

\begin{frame}[fragile]

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

\label{sec-3}

\begin{itemize}

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

\begin{itemize}

\item x, a sequence of data

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

\end{itemize}

\end{itemize}

\begin{verbatim}

   In []: scatter(year, profit)

\end{verbatim}

\end{frame}

\begin{frame}[fragile]

\frametitle{Exercise 2: Scatter plot}

\label{sec-4}

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

\begin{verbatim}

\end{verbatim}

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

\end{frame}

\begin{frame}

\frametitle{Pie chart}

\label{sec-5}

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

\end{frame}

\begin{frame}[fragile]

\frametitle{Exercise 3: Pie chart}

\label{sec-6}

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

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

\begin{verbatim}

\end{verbatim}

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

\end{frame}

\begin{frame}[fragile]

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

\label{sec-7}

\begin{itemize}

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

\begin{itemize}

\item values, the data to be plotted

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

\end{itemize}

\end{itemize}

\begin{verbatim}

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

\end{verbatim}

\end{frame}

\begin{frame}[fragile]

\frametitle{Exercise 4: Pie chart}

\label{sec-8}

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

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

\begin{verbatim}

\end{verbatim}

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

\end{frame}

\begin{frame}

\frametitle{Bar chart}

\label{sec-9}

  Bar chart - a chart with rectangular bars with lengths proportional 

  to the values that they represent.

\end{frame}

\begin{frame}[fragile]

\frametitle{Exercise 5: Bar chart}

\label{sec-10}

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

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

\begin{verbatim}

\end{verbatim}

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

\end{frame}

\begin{frame}[fragile]

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

\label{sec-11}

\begin{itemize}

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

\begin{itemize}

\item x, a sequence of data

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

\end{itemize}

\end{itemize}

\begin{verbatim}

   In []: bar(year, profit)

\end{verbatim}

\end{frame}

\begin{frame}

\frametitle{Exercise 6: Bar chart}

\label{sec-12}

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

    $45^o$

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

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

   \begin{center}

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

    \end{center}

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

\end{frame}

\begin{frame}

\frametitle{Log-log graph}

\label{sec-13}

\begin{itemize}

\item Log-log graph

\begin{itemize}

\item 2-dimensional graph.

\item uses logarithmic scales on both axes.

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

\end{itemize}

\end{itemize}

\end{frame}

\begin{frame}

\frametitle{Exercise 7:}

\label{sec-14}

  Plot a log-log chart of 

    $y = 5x^3$

  for x from 1-20.

\end{frame}

\begin{frame}[fragile]

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

\label{sec-15}

\begin{itemize}

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

\begin{itemize}

\item x, a sequence of data

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

\end{itemize}

\end{itemize}

\begin{verbatim}

   In []: loglog(x, y)

\end{verbatim}

\end{frame}

\begin{frame}

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

\label{sec-16}

\begin{itemize}

\item Help

\begin{itemize}

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

\end{itemize}

\item More plots

\begin{itemize}

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

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

\end{itemize}

\end{itemize}

\end{frame}

\begin{frame}

\frametitle{Summary}

\label{sec-17}

\begin{itemize}

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

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

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

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

\item \texttt{matplotlib} online help

\end{itemize}

\end{frame}

\begin{frame}

\frametitle{Thank you!}

\label{sec-18}

  \begin{block}{}

  \begin{center}

  This spoken tutorial has been produced by the

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

  \end{center}

  \begin{center}

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

      Information \& Communication Technology \\ 

      MHRD, Govt. of India}.

  \end{center}  

  \end{block}

\end{frame}

\end{document}