Building a bar chart
A classic way of displaying categories with corresponding values is a bar chart. It consists of rectangular bars, and they are proportional to the represented values. The main purpose is to visually compare those values.
We will draw a chart visualizing web forum statistics.
How to do it...
We will use the pgfplots
package. It's for natively plotting in LaTeX with a convenient user interface. We will use it to produce a horizontal bar chart.
Perform these steps:
- Start with a document class:
\documentclass{article}
- Load the
pgfplots
package:\usepackage{pgfplots} \pgfplotsset{width=7cm,compat=1.8}
- Begin the document:
\begin{document}
- Begin a TikZ picture, which will be the container for the plot:
\begin{tikzpicture}
- Open an axis environment: ...
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