Re: [R] Weighted Principle Components analysis

2013-04-26 Thread David Carlson
4352 -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Dimitri Liakhovitski Sent: Friday, April 26, 2013 6:32 AM To: r-help Subject: Re: [R] Weighted Principle Components analysis The reason for my asking is because I have to replicate the

Re: [R] Weighted Principle Components analysis

2013-04-26 Thread Dimitri Liakhovitski
The reason for my asking is because I have to replicate the same analysis done in SPSS and SAS. Again, to make it clear - it's respondent-weighted Factor Analysis with a desired number of factors. Method of extraction: Principal Components. Rotation: Varimax. The only solution I can think of is

[R] Weighted Principle Components analysis

2013-04-25 Thread Dimitri Liakhovitski
Hello! I am doing Principle Componenets Analysis using "psych" package: mypc<-principal(mydata,5,scores=TRUE) However, I was asked to run a case-weighted PCA - using an individual weight for each case. I could use "corr" from "boot" package to calculate the case-weighed intercorrelation matrix.