Dear Antonio, > -----Original Message----- > From: Antonio Prioglio [mailto:[EMAIL PROTECTED] > Sent: Tuesday, July 13, 2004 12:50 PM > To: John Fox > Cc: [EMAIL PROTECTED] > Subject: RE: [R] Help with factanal and missing values > > On Tue, 13 Jul 2004, John Fox wrote: > > > > Two solutions are to use na.omit() to eliminate observations with > > missing data -- factanal(na.omit(datamatrix), factors=n) -- > or to use > > a formula argument to factanal and pass the data as a data > frame via > > the data argument > > -- factanal(~ var1 + ... + vark, factors=n, > data=as.data.frame(datamatrix)). > > Thanks this was helpful and more elegant than my solution to > select the data with a call to complete.cases(). > > > > > By the way, what factanal() does would conventionally be > described as > > exploratory, not confirmatory, factor analysis. For the latter, you > > might try the sem package. > > > > Actually these CFAs are preliminary to a Path Analysis I had > ambitions to do with the sem package rather than LISREL. > > Could you give an example on how to do CFA with sem?
Among the examples in ?sem is a second-order CFA. Regards, John ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html