Still searching for the best note taking solution. Oh well, markdown exists, git exists, throwing away sheets at the end of the semester is not "eco-friendly", let's share those notes on teacher's notes on github!
Linear regression based on a recursive structural equation model (explicit multiples correlations) found by a M.C.M.C.(Markov Chain Monte Carlo) algorithm. It permits to face highly correlated variables. Variable selection is included (by lasso, elastic net, etc.). It also provides some graphical tools for basic statistics.