Visualizing Census Estimate Margins of Error in R

A key feature of American Community Survey (ACS) data is that the reported values contain both estimates and margins of error. The margins of error, unfortunately, are often overlooked. After meeting with Ezra Glenn last year I gained a new appreciation of them. Today I’ll demonstrate how to visualize them, as well as how they tend to […]

Combining Admin 1 Choropleths and Reference Maps

A new version of choroplethr (v3.4.0) is now on CRAN. It allows you to combine Administrative Level 1 choropleths with reference maps. For reference, this functionality has been present for US maps for a while now (1, 2). This update just extends that functionality to the Administrative Level 1 mapping function, admin1_choropleth. To do this, […]

Faster Admin 1 Maps in Choroplethr

A new version of ChoroplethrAdmin1 is now on CRAN, and it dramatically speeds up making Administrative Level 1 maps in choroplethr. “Administrative Level 1” is just a generic term for “1st subnational division”. In the US this is called a State, in Canada it’s called a Province, and so on. Overall, this package contains Admin […]

“Mapmaking in R with Choroplethr” is now out!

I am happy to announce that my new course, Mapmaking in R with Choroplethr, is now available. In honor of its launch I am offering a 15% discount to anyone who purchases before January 1. You will also be able to attend a Q&A webinar with me on January 5th. Creating this course has been […]

Choroplethr, ggplot2 and R-Hub

Choroplethr v3.3.1 is now on CRAN. You can get it by typing the following from the R command line: [code lang=”r”] update.packages() [/code] Note that while the new version is now on CRAN, it sometimes takes a few days for all of the CRAN mirrors to update. If you are unable to get the latest version […]