10
votes
2answers
156 views

Can I define new graphics directives?

Is it possible to define new graphics directives? For example, suppose I want to be able to use the following code: ...
6
votes
1answer
262 views

Creating a highly customized BarChart

I am trying to create a BarChart visualization for multi-step data filtering. Think of a traditional sales funnel: many leads, fewer prospects, few customers, very few return customers. The only ...