hrbrmstr

rud.is

As the maintainer of RSwitch — and developer of my own (for personal use) macOS, iOS, watchOS, iPadOS and tvOS apps — I need the full Apple Xcode install around (more R-focused macOS folk can get away with just the command-line tools being installed). As an Apple Developer who insanely ... Read More

macOS R users who tend to work on the bleeding edge likely noticed some downtime at <mac.r-project.org> this past weekend. Part of the issue was an SSL/TLS certificate expiration situation. Moving forward, we can monitor this with R using the super spiffy {openssl} and {pushoverr} packages whilst also generating a ... Read More

Each year the World Economic Forum releases their Global Risk Report around the time of the annual Davos conference. This year’s report is out and below are notes on the “cyber” content to help others speed-read through those sections (in the event you don’t read the whole thing). Their expert ... Read More

I saw this CNBC article on an in-theory browser client-side-only conversion utility for taking Apple Card PDF statements and turning them into CSV files. Since I (a) never trust any browser or site and (b) the article indicated that there is a $5 fee to avoid the “single random transaction ... Read More

Before we start wrapping foreign language code we need to make sure that basic R packages can be created. If you’ve followed along from the previous post you have everything you need to get started here. Just to make sure, you should be able to fire up a new RStudio ... Read More

Offspring #4 eats pretty healthy, normally, but likes to indulge in sugary confections on occasion. He was a big help clearing away the massive amount of snow that accumulated in the last winter storm of 2019 so I decided to start the new year off by making him (and us) ... Read More

The R language and RStudio IDE are a powerful combination for “getting stuff done”, and one aspect of R itself that makes it especially useful is the ability to use it with other programming languages via a robust foreign language interface capability1. The term “foreign language” refers to another programming ... Read More

I woke up to Axios’ “1 Big Thing” ridgeline chart showing the crazy that was the 2019 news cycle: and, I decided to reproduce it in {ggplot2}. Getting The Data First, I had to find the data. The Axios chart is interactive, so I assumed the visualization was built on-load ... Read More

The right jolly old elves over at Alteryx created a “Santalytics” challenge back in 2016 to see if their community members could help Santa deliver presents to kids all across the globe. They posted data for four challenges along with solutions and I’ve made a git repo & RStudio project ... Read More

I had need to present a wall-of-text to show off a giant list of SSL certificate alternate names and needed the entire list to fit on one slide (not really for reading in full, but to show just how many there were in a way that a simple count would ... Read More