Re: [R] Doubt about CCA and PCA

2009-11-23 Thread Jari Oksanen
Jombart, Thibaut imperial.ac.uk> writes: > > Dear Francisco, > > CCA and PCA are quite different methods. CCA regresses your 'response' data onto a set of explanatory > variables. This needs to invert the matrix of covariances of the predictors, which is only possible if > n>p, where n is the

Re: [R] Doubt about CCA and PCA

2009-11-23 Thread Jombart, Thibaut
rg] On Behalf Of Francisco Javier Santos Alamillos [fsan...@ujaen.es] Sent: 23 November 2009 21:43 To: r-help@r-project.org Subject: [R] Doubt about CCA and PCA Dear R community, I'm working with PCA and CCA methods, and I have a theoretical question. Why is it necesary to have more te

[R] Doubt about CCA and PCA

2009-11-23 Thread Francisco Javier Santos Alamillos
Dear R community, I'm working with PCA and CCA methods, and I have a theoretical question. Why is it necesary to have more temporal values than variables when the CCA O PCA are going to be used? Could you advise to me some any paper about it? Thanks in advance, [[alternative HTML versi