posts tagged 'bivariate'


Binning is a general term for grouping a dataset of N values into less than N discrete groups. These groups/bins may be spatial, temporal, or otherwise attribute-based. In this post I’m only talking about spatial (long-lat) and 2-dimensional attribute-based (scatterplot) bins. Such binnings may be thought of as 2D histograms. This [...]

political cartography: voting with our pocketbooks

These election maps are kinda late. Here I’m interested in comparing how we, as a country, voted with our ballots versus how we voted with our dollars. Obama received about 70% of the money donated to the major candidates in 2008, but only 53% of the votes, so I expected a bluer map. [...]