Revolutions – evolutions is a blog dedicated to news and information of interest to members of the R community. This blog is updated every US workday, with contributions from various authors.
How to Think Like a Computer Scientist – This book is meant to provide you with an interactive experience as you learn to program in Python. You can read the text, watch videos, and write and execute Python code.
Data School – Kevin Markham, a data scientist and teacher, has resources accessible to data scientists at all levels of knowledge and experience. You can sign up for the blog’s newsletter or browse the several blog posts available on the site.
Flowing Data – FlowingData explores how statisticians, designers, data scientists, and others use analysis, visualization, and exploration to understand data and ourselves. Learn to visualize your data like an expert with these practical how-tos for presentation, analysis, and understanding.
Mode’s Python Tutorial – Learn Python for business analysis using real-world data. No coding experience necessary. This site also has a SQL tutorial, discussion board, and career portal.
R-Bloggers – R-Bloggers.com is a blog aggregator of content contributed by bloggers who write about R. Apart from a gallery of R blog posts to browse, this site also features R tutorials and job postings.
blogR – This site includes R tips and tricks from a scientist. All R Markdown docs with full R code can be found at the author’s GitHub (link included on his blog).