PCA in R

This video tutorial gives an introduction to PCA in R. PCA = Principal Components Analysis. Sorry I didn't have time to highlight the code specifically.

PCA in Stata

This video walks you through some basic methods of Principal Component Analysis like generating screeplots, factor loadings and predicting factor scores.

PCA 9: how many dimensions?

Full lecture: http://bit.ly/PCA-alg How many dimensions should we use to represent our data? We can use the eigenvalues to determine how many dimensions ...