Apparently, this user prefers to keep an air of mystery about them.
9 What are good metrics to assess the quality of a PCA fit, in order to select the number of components? May 27 '14
5 Performing PCA with only a distance matrix Feb 24 '14
5 Is a count variable with a large, but finite, number of possible values categorical or continuous? Jul 18 '13
3 Using the gap statistic to compare algorithms Mar 3 '14
2 If number of samples is smaller than number of features, how can all the variance in PCA be explained by less than $n$ components? [duplicate] May 20 '14
1 Feature selection based on information gain papers May 27 '14