Apple Health Export Part I

This post is Part I of a dive into the contents of the Apple Health Export. It will work through the mechanics of moving data from the Apple Health app out of your iPhone and into R where you can analyze it. It also will describe in detail the problem of adjusting the time stamps for daylight savings time and travel across time zones. Unfortunately the topic of time zones and the Apple Health Export is a complicated subject. [Read More]

Working with New Haven Area Census Data Using R

This post will work through a basic setup to look at census data for the New Haven area. It will rely on the tidycensus and tigris packages by Kyle Walker. The emphasis will be on the R code for getting and using Census data rather than on the data itself. I should emphasize that I am in no way an expert on the Census. On the contrary I would rate myself as a novice. [Read More]

Guilford Registered Voters: An R Sampler

Attention conservation notice: Unless you are interested in R-related detail, skip this post and read the next post instead. The Data Source It’s primary season and recently I learned about a somewhat strange site that collects a lot of voter registration data. It includes birth date and the full dataset also includes phone numbers. I was a bit surprised that this data is publicly available. Apparently I am not the only one. [Read More]

Web Scraping Javascript Content

Web scraping with rvest and SelectorGadget can be powerful and fun. Recently I have experimented with trying to scrape a table from the Chronicle of Higher Education that showed compensation for university CEO’s. With a certain amount of trial and error I used SelectorGadget to find the fields I wanted to scrape: name, university, and compensation. But when I went through the steps in rvest to scrape those fields, I got nothing (in the form of a zero length vector of results). [Read More]

Using the Flickr API from R

There used to be an Rflickr package, but it no longer seems to work. It was last updated in 2011. I had a lot of trouble googling information on how to access Flickr from R. This example really got me started. It is doing very different things that what I wanted to do, so it may be more useful than what I am laying out here, depending on your goal. [Read More]
R  Flickr