A discussion applying the "time value of money" to course selection
A summary incorporating Google Trends of online games I have spent a serious quantity of time on, and attributes I believe to determine games' success and popularity.
Explains overfitting with nice plots and k-fold cross validation with some nice diagrams. Not much applicable code.
Explains supervised learning with some Python code. One should understand and be able to use a linear classifier after reading this.
A crude and ideal salary model for different careers after a school like Caltech