Hearing the Oracle

Home » Posts tagged 'all(!is.na(id)) is not TRUE'

Tag Archives: all(!is.na(id)) is not TRUE

Visualizing Oracle data: Tree Maps

tree of languages, indo-european

tree of languages, indo-european

I recently wrote about the R statistics and graphics platform, and introduced it as a way to do further analytics or visualizations for data from Oracle databases. This article will take a look at a graphical idea called tree maps. They are an extension of the more basic visualization technique: heat maps.     Continue…