Hi, I'm Ari Lamstein.  

I help people do great things with R.

What would you like help with?

Choroplethr

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.

Courses

Looking for in-depth courses to help you improve your technical skills?‚Äč

My highly-rated courses let you study niche topics, in depth, at your own pace.

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.

Learn how I can help your team.

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.