Category Archives for Open Source

Choroplethr v3.6.4 is now on CRAN (and the Future of Choroplethr)

Choroplethr v3.6.4 is now on CRAN. This is the first update to the package in two years, and was necessary because of a recent change to the tigris package, which choroplethr uses to make Census Tract maps. I also took this opportunity to add new example demographic data for Census Tracts. Quick Demo The first […]

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Behind the Scenes of an R Consortium Project

Next Tuesday (September 3) I will be giving a talk at the Bay Area R User Group titled¬†Behind the Scenes of an R Consortium Project. This will be my first time speaking about my work with the R Consortium, and I encourage you to attend! Over the last few years the R Consortium has emerged […]

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New Resource for Learning Choroplethr

Last week I had the honor of giving a 1 hour talk about Choroplethr at a private company. When this company reached out to me about speaking there, I originally planned to give the same talk I gave at CDC two years ago. But as I reviewed the CDC talk, I realized two things: My […]

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Bug when Creating Reference Maps with Choroplethr

Last week the Census Bureau published a free course I created on using Choroplethr to map US Census Data. Unfortunately, a few people have reported problems when following one of the examples in the course. This post describes that issues and provides instructions for working around it. Where does the bug occur? The bug occurs […]

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New Free R Course on!

Today I am happy to announce that a new free course on Choroplethr – Mapping Census Bureau Data in R with Choroplethr¬†– is available on Census Academy, the US Census Bureau’s new training platform! (Choroplethr is a suite of R packages I created for mapping demographic statistics).This course is a more in-depth version of Learn […]

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