Re: [R] weighted factor analysis

2013-01-09 Thread Thomas Lumley
It depends on what sort of weights you have, but one approach is to construct a weighted covariance matrix and then run factanal() on it. That's what svyfactanal() in the survey package does. The difficult part is the tests: you need to specify the sample size, and in the presence of weights it m

[R] weighted factor analysis

2013-01-09 Thread Virgile Capo-Chichi
hello there, I am trying to use a weight variable in a factor analysis but apparently the factanal command does not have a weight option. Any way to this? Thanks for your suggestions, V [[alternative HTML version deleted]] __ R-help@r-project.or