Articles by John Goldin

Apple Health Export Part I

February 15, 2020 | John Goldin

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 ...
[Read more...]

Apple Health Export Part I

February 15, 2020 | John Goldin

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 ...
[Read more...]

Guilford Registered Voters: An R Sampler

September 7, 2018 | John Goldin

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 ...
[Read more...]

Guilford Registered Voters: An R Sampler

September 7, 2018 | John Goldin

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 ...
[Read more...]

Web Scraping Javascript Content

July 21, 2018 | John Goldin

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 ... [Read more...]

Web Scraping Javascript Content

July 21, 2018 | John Goldin

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 ... [Read more...]

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