Coding, Statistics, Biology

NOTE: When the recommendation is an online course, I'm recommending the FREE version.

Unix
Python
R
Probability & Statistics
Biology

Unix

Command-line Bootcamp
Command-line Guide | Also interactive, just like the bootcamp.
Linux Journey
Command-line refresher from Software Carpentry
A Unix workshop: course materials
- Day1 - Video & Slides
- Day2 - Video & Slides
- Day3 - Video & Slides

Python

Learning Python the Hard Way
Data Wrangling:
- Data Wrangling in Python with Pandas - Kaggle
- Video series on data analysis with Pandas – Excellent set of short videos
Visualization:
- Data Visualization with Python - Kaggle
- Python Plotting for Exploratory Data Analysis

R

Programming with R [SC]
R for Data Science
R for Reproducible Scientific Analysis [SC]
R Cheatsheets

Probability and Statisitcs

Think Stats (book + code + solutions; for Python programmers).
Learning statistics with R (book + code + solutions; for R programmers).
Points of Significance - an awesome collection of short articles on a variety of topics in statistical data analysis.
OpenIntro to Probablity and Statistics

Biology

Learn genetics
IBiology
DNA seen through the eyes of a coder - If you have a computational/quantitaive background, you'll esp. love this!