Category Archives for Blog

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 different maps, from US ZIP […]

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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 […]

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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 […]

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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 […]

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Interesting Datasets I Recently Learned About

Last week I spoke about my census-mapping work at two great venues: the EARL Conference in Boston and the NY Open Statistical Programming Meetup in New York. After my talks many people shared their own experiences mapping public datasets. I thought that I would pass along that information in case anyone is interested in exploring these datasets. Epidemiology Datasets […]

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Slides For My Upcoming Talks: “Mapping Census Data in R”

Next week I will be giving a talk titled “Mapping Census Data in R” in two places: On Tuesday (11/3/15) at EARL 2015 in Boston. On Thursday (11/5/15) at the New York Open Statistical Programming Meetup. The slides for both talks are the same, and you can see them below: If you are attending either event then […]

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Free Webinar: Make a Census Explorer with Shiny

Next Friday at noon PDT I will be hosting a free webinar titled Make a Census Explorer with Shiny. You can register for it here. Space is limited, so if you are interested then I recommend that you reserve your space today. The content will be very similar to the workshop that I ran at the San […]

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Interactive Scatterplots of Census Data Using ggvis

Today I finished two projects that had been on my mind for a while: Try out ggvis, the interactive successor to ggplot2 Create interactive scatterplots of census data You can see the resulting shiny app here. The app lets you create a scatterplot of any pair of demographic variables that ship with the choroplethr package. When you roll over […]

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How to Change the Reference Map in Choroplethr

Last week I released an update to choroplethr that lets you combine choropleth maps with reference maps. Since that post many people have asked if it’s possible to change the reference map that choroplethr uses. The answer is yes, but it requires some code. Here is the same choropleth (New York City ZIP Code Income) with three […]

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Free R Help: October Edition

Last Month I offered 10 slots of Free R Help and the response was overwhelming. About 100 people requested slots, which was much more than I expected. Many of the people who I helped had taken online R courses such as the Coursera Data Science Specialization, but were struggling with applying what they learned to their own […]

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