search for: pcahubert

Displaying 2 results from an estimated 2 matches for "pcahubert".

2011 Jul 13
2
Package rrcov, functions PcaCov, PcaHubert, PcaGrid
...ot all TRUE The same error occurs with the other functions. What does this mean and how can I perform the robust PCA with these functions by using a quadratic matrix as input? Thanks in advance, Albina. -- View this message in context: http://r.789695.n4.nabble.com/Package-rrcov-functions-PcaCov-PcaHubert-PcaGrid-tp3664644p3664644.html Sent from the R help mailing list archive at Nabble.com.
2012 Apr 24
1
In robust PCA methods, how to get variance explained?
For example, PcaHubert, how to get the variance explained which are similar to those concepts in traditional PCA? In traditional PCA, you have a bunch of eigenvalue lambdas... and you sort the lambdas from the biggest to the smallest, the lambda_i / (sum of all lambdas) is the variance explained by that principal com...