An express riddle from the Riddler about reopening pools, where lanes are allowed provided there is no swimmer in the lane or in any of the adjacent lanes. If swimmers pick their lane at random (while they can), what is the average number of occupied lanes? If there are n ...

This post is going to be a little different from my usual, as it relies heavily on calls to ffmpeg. This should work on Linux/OSXContinue ReadingCreate a Radial Movie/TV Barcode Using Polar Coordinates

I just learned that in sheep, lambs from the same litter pretty often have different fathers, if the ewe has mated with different males. Berry et al. (2020) looked at sheep flocks on Irland that used more than one ram, and: Of the 539 pairs of twins included in the analysis, 160 (i....

Blogdown Bookdown Shiny Blogdown R-Ladies Seattle Website https://rladiesseattle.org/ Bookdown Data Science in Education Using R Open Version https://datascienceineducation.com/ Shiny Spurious COVID Correlation Creator https://ivel...

This is the first of probably two posts detailing the construction of an RShiny app. The app in question is meant to take data from two Spotify playlists, make recommendations for tracks from one – which I’ll call the “target” playlist – based on the contents of another – the “reference” playlist. ...

I will present here the code for creation of an interactive 3D visualisation of geospatial data, using rgl library, that allows export of the results into html. The dataset to visualize, is a 7 day track to Kilimajaro mountain (5895) in Tanzania.  Dataset contains latitude, longitude and elevation at sequence of timestamps. ...

TL;DR I wanted something that goes some way to automating my own time-consuming process of scrolling twitter for cool things to read. I thought a few other people might feel somewhat similar, so I decided to build a feed. R posts you might have...

On May 25, 2020, George Floyd, an African American man, was killed by a White police officer in Minneapolis, Minnesota. His murder came shortly after the homicide of two other African Americans: Ahmaud Arbery, on February 23, 2020, and Breonna Taylor, on March 13, 2020. These horrible crimes sparked a movement and a wave of protest, ...

What was your journey to joining DataCamp? I had previously met Jen, DataCamp’s Head of Instructor Success, through her work at General Assembly as an Introduction to Data Analysis Instructor. I was a student in her class, and she recommended me to ...

Introduction In June 17, nice article for introducing new trial dataset were uploaded via R-bloggers. iris, one of commonly used dataset for simple data analysis. but there is a little issue for using it.  Too good. Every data has well-structured and most of analysis method works with iris very well. In ...