Your own personalized motivational GIF

One of the R OpenSci ozunconference 2018 projects was all about gganimate. The guys and gals dubbed this project learngganimate and dedicated an expansive GitHub repository to it. As part of this project, they created some — let’s call it — very creative GIFS. One of their GIFs I particularly liked, copied below. Using the OpenSci syn…

Animated Citation Gates turned into Selection Gates

Bret Beheim — senior researcher at the Max Planck Institute for Evolutionary Anthropology — posted a great GIF animation of the response to his research survey. He calls the figure citation gates, relating the year of scientific publication to the likelihood that the research materials are published open-source or accessible. To generate the visualization, Bret used…

Visualizing model uncertainty

ungeviz is a new R package by Claus Wilke, whom you may know from his amazing work and books on Data Visualization. The package name comes from the German word “Ungewissheit”, which means uncertainty. You can install the developmental version via: devtools::install_github(“clauswilke/ungeviz”) The package includes some bootstrapping functionality that, when combined with ggplot2 and gganimate, can produce…

Generating Book Covers By Their Words — My Dissertation Cover

As some of you might know, I am defending my PhD dissertation later this year. It’s titled “Data-Driven Human Resource Management: The rise of people analytics and its application to expatriate management” and, over the past few months, I was tasked with designing its cover. Now, I didn’t want to buy some random stock photo…

Animated Snow in R

Due to the recent updates to the gganimate package, the code below no longer produces the desired animation. A working, updated version can be found here.  After hearing R play the Jingle Bells tune, I really got into the holiday vibe. It made me think of Ilya Kashnitsky (homepage, twitter) his snowy image in R. –…

Sentiment Analysis of Stranger Things Seasons 1 and 2

Jordan Dworkin, a Biostatistics PhD student at the University of Pennsylvania, is one of the few million fans of Stranger Things, a 80s-themed Netflix series combining drama, fantasy, mystery, and horror. Awaiting the third season, Jordan was curious as to the emotional voyage viewers went through during the series, and he decided to examine this…

Advanced GIFs in R

Rafa Irizarry is a biostatistics professor and one of the three people behind SimplyStatistics.org (the others are Jeff Leek, Roger Peng). They post ideas that they find interesting and their blog contributes greatly to discussion of science/popular writing. Rafa is the creator of many data visualization GIFs that have recently trended on the web, and in a recent post…

Sorting Algorithms 101: Visualized

Sorting is one of the central topic in most Computer Science degrees. In general, sorting refers to the process of rearranging data according to a defined pattern with the end goal of transforming the original unsorted sequence into a sorted sequence. It lies at the heart of successful businesses ventures — such as Google and…

R resources (free courses, books, tutorials, & cheat sheets)

Help yourself to these free books, tutorials, packages, cheat sheets, and many more materials for R programming. There’s a separate overview for handy R programming tricks. If you have additions, please comment below or contact me! LAST UPDATED: 2019-10-19 Table of Contents (clickable) Beginner Advanced Cheat sheets Data manipulation Data visualization Dashboards & Shiny Markdown…