Once you created the report, you can customise it by adding a graph.
• Simply, click on "Add a graph",
• Name the graph,
• Choose the type of analysis that you wish
• Set the parametres of the analysis (Question(s), type of analysis etc.)
• The most suited graph appears automatically, but you can select a different one if you wish
• Click on the options tab to modify the graph's options
• Finally click on "Create" to create your graph