Plotting a bar chart
Bar plots are the most common graph types used by data scientists. It is simple to draw a bar chart using GRAL. In this recipe, we will be using GRAL to plot the following bar chart:
- To use GRAL to plot bar charts, we need the example applications provided with the library in the form of Jar files. These example applications can be downloaded from http://trac.erichseifert.de/gral/wiki/Download. Download the
gral-examples-0.10.zipfile from the download location into your local disk. Extract the files.
- Once you download the ZIP files, and extract them, you will see a directory structure as shown in the Getting ready ...