rstudio::conf 2019 summary

Welcome to rstudio::conf 2019 Similar to last year, I was not able to attend rstudio::conf 2019. Fortunately, so much of the conference is shared on Twitter and media outlets that I still felt included. Here are some things that I liked and learned from, despite the Austin-Tilburg distance. All presentations are streamed One great thing…

Become a data-driven Sommelier by text mining wine reviews

Aleszu Bajak at Storybench.org published a great demonstration of the power of text mining. He used the R tidytext package to analyse 150,000 wine reviews which Zach Thoutt had scraped from Wine Enthusiast in November of 2017. Aleszu started his analysis on only the French wines, with a simple word count per region: Next, he applied TF-IDF to surface the…

Short ggplot2 tutorial by MiniMaxir

The following was reposted from minimaxir.com   QUICK INTRODUCTION TO GGPLOT2 ggplot2 uses a more concise setup toward creating charts as opposed to the more declarative style of Python’s matplotlib and base R. And it also includes a few example datasets for practicing ggplot2 functionality; for example, the mpg dataset is a dataset of the performance of popular models of cars…

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…

Animated GIFs in R

Sometimes, it can be of interest to examine how two variables correlate over time. For example, how people in a social network (e.g., an organization) behave or move over the course of time. However, it can be hard to display multi-dimensional data in a single plot. Instead of including time as an additional dimension and…