Hi, I'm Ari Lamstein.  

I help people do great things with R.

What would you like help with?


I've written several R packages that facilitate creating choropleth maps of open datasets in R. This work is called "choroplethr". 

Click below to learn more.


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Corporate Services

Need help migrating a team of analysts from tools such as Excel to R?  I've helped organizations like yours in the past.

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Learn to Map Census Data in R!

This free course has helped thousands of people learn to do fun and interesting analyses in R.
The course contains 5 lessons and will teach you how to make maps like this:

About Ari

You might know me as the author of choroplethr, the popular R package for mapping open datasets. My work on choroplethr has led to the creation of two full-length courses.

I am an RStudio Certified Trainer and provide R Training and Consulting to corporations and government agencies.

If you would like to explore working together, then please contact me.