Libraries — scripts added for functionality — offer visualization choices so the user can annotate graphs and create animations that display how data changes over time.

Statpedia is a free online data visualization chart maker to create graphs from manually entered data. To use it, go to its website and click on Create Stat option. After that, enter or copy and ...

Compound graphs, a frequently encountered type of data set, have a hierarchical tree structure with parent-child relations (‘inclusion’ relations) and non-hierarchical relations between leaf nodes ...