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Plotting letters as shapes in ggplot2

November 5, 2012 | 0 Comments

This post is a little more esoteric than most, but I found myself needing to solve this problem, so I’m just passing the solution on to you. The plot above shows the distribution of DW-NOMINATE scores for the 18th Congress, with party indicated ... [Read more...]

Congressional ideology by state

October 25, 2012 | 0 Comments

In a recent post, I illustrated how to add a background geom to your ggplot. While that code worked, and the plot looked fine, it was pointed out to me that I was missing an important aspect of plot layering with ggplot2. Namely, it is not, as I previ... [Read more...]

Adding a background to your ggplot

October 19, 2012 | 0 Comments

I really enjoy using the DW-NOMINATE data for examples, as I do here. Sometimes it’s useful to indicate regions in the background of a plot — perhaps two-dimensional regions of interest, perhaps one-dimensional periods in time. It’s... [Read more...]

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