Everything recommended here is free and open.
- Khan Academy – Statistics
- Great Short Videos on Probability and Statistics
- Modern Statistics for Modern Biology (book + code + solutions)
- OpenIntro to Probablity and Statistics
- RStudio Primers
- The Basics
- Work with Data
- Visualize Data
- Tidy Your Data
- Iterate
- Write Functions
- R for Data Science (An awesome book on using R for data analysis and visualization!)
- R Cheatsheets (Great set of visually-appealing cheatsheets)
- Great webinars including a recent one on 'Intro to Statistics'
- Intro to Python
- Jupyter Notebooks
- Data wrangling
- Data visualization
- Python Plotting for Exploratory Data Analysis
- [Statistics in Python] (https://scipy-lectures.org/packages/statistics/index.html)
- Command-line refresher from Software Carpentry
- Command-line Bootcamp
- Command-line Guide | Also interactive, just like the bootcamp.