Datasets to practice and learn Programming, Machine Learning, and Data Science

Many requests have come in regarding “training datasets” – to practice programming. Fortunately, the internet is full of open-source datasets! I compiled a selected list of datasets and repositories below. If you have any additions, please comment or contact me! For information on programming languages or algorithms, visit the overviews for R, Python, SQL, or Data Science,…

Neural Networks 101

Last month, a video by 3Blue1Brown has been trending on YouTube, accumulating already over a quarter of a million views. It only lasts 10 minutes but provides a very good and intuitive explanation of the inner workings of Neural Networks (NN): The Machine Learning & Deep Learning book I wrote about recently provides a more substantial explanation of the…

Just the right visualization.

Do you have a bunch of data but you can’t seem to figure out how to display it? Or looking for that one specific visualization of which you can’t remember the name? http://www.datavizproject.com provides a most comprehensive overview of all the different ways to visualize your data. You can sort all options by Family, Input,…

Networks Among #rstats Twitterers

Reposted from Kasia Kulma’s github with minor modifications. Have you ever wondered whether the most active/popular R-twitterers are virtual friends? 🙂 And by friends here I simply mean mutual followers on Twitter. In this post, I score and pick top 30 #rstats twitter users and analyse their Twitter network. You’ll see a lot of applications of rtweet and ggraph packages, as…

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…