- Learn R by Intensive Practice
- Learn R From Scratch – Part 1
- Mastering R Plot – Part 1: colors, legends and lines

- How to Create, Rename, Recode and Merge Variables in R
- Imputing Missing Data with R; MICE package
- Data Manipulation with dplyr

- Building Heatmaps in R with ggplot2 package
- How to create a Twitter Sentiment Analysis using R and Shiny
- Building Wordclouds in R

- Sentiment analysis with machine learning in R
- Sentiment Analysis on Donald Trump using R and Tableau
- Strategies to Speedup R Code