Publications by Ari Lamstein
Free Webinar: Learn to Map Unemployment Data in R
Last month I ran my first webinar (“Make a Census Explorer with Shiny”). About 100 people showed up, and feedback from the participants was great. I also had a lot of fun myself. Because of this, I’ve decided to do one more webinar before my free trial with the webinar service ends. Here are the details: Title: Map US Unemployment Data wit...
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4 Tips to Learn More About ACS Data
One of the highlights of my recent east coast trip was meeting Ezra Haber Glenn, the author of the acs package in R. The acs package is my primary tool for accessing census data in R, and I was grateful to spend time with its author. My goal was to learn how to “take the next step” in working with the census bureau’s American Community S...
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How to Search for Census Data from R
In my course Learn to Map Census Data in R I provide people with a handful of interesting demographics to analyze. This is convenient for teaching, but people often want to search for other demographic statistics. To address that, today I will work through an example of starting with a simple demographic question and using R to answer it. Her...
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New Course: Mapmaking in R with Choroplethr
Today I am happy to announce that my new online course, Mapmaking in R with Choroplethr, is now available for preorder. The course is designed to teach you everything you need to start your first mapping project in R using choroplethr. The course will teach you how to: Conduct exploratory analysis using maps in R Create 220 d...
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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: update.packages() 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 from CRAN, you can install it from github (instructions). Compatibil...
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“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 a full time job over the last few weeks. The course has 25 l...
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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 1 maps of�...
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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, jus...
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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 increas...
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Taking the Next Step with Census Data
Today I had the pleasure of speaking over the phone with someone from the Census Bureau. This was my first time speaking with someone who works there, and it was fun to move from thinking of the Census Bureau as “a government agency” to “a place where someone I know works.” The Questions The conversation revolved around how R users can ...
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