Goal Export a ggvis figure as a PNG file (for inclusion in an .Rmd document). Problem I know essentially nothing about Node.js, other than that it is great and I should know more. I get as far ...

I am currently assessing what type of js chart engine I should use for out of the box charts, and vega-lite has stood out as pretty simple and flexible at the same time. However, I am wondering whe...

I want to change the default blue color of a bar in a Vega-Lite bar chart. How can I do it? I am posting the json specification below: { "data": { "values": [ {"a":"A", "b":28}, {"a":"B", "b":5...

I'm attempting to create an area plot with a secondary y-axis in Vega. I'm building off of the area chart example shown here in the editor. I've added a "col" field to the data and am using the fac...

Trying to plot sample plot with vincent in IPython: import vincent vincent.core.initialize_notebook() list_data = [10, 20, 30, 20, 15, 30, 45] bar = vincent.Bar(list_data) bar.display() and no...

Vega and ggplot2 use different underlying grammars, and Hadley has stated that "It is likely to converge over time as both vega and gg2v become more mature, but there's no expectation that gg...