On 10/12/07, "Julia Kröpfl" <jkroepfl@gmx.net> wrote:
>
> Is there a package in R that does Q-type factor analysis?
> I know how to do principal component analysis, but haven't found any
> application of Q-type factor analysis.


Q-mode factor analysis is not a separate "type" of factor analysis but (in
old-fashioned psychological slang) analyzing of rows rather than the columns
of data matrix. So you can transpose your data (with t() if it's a matrix)
and do an "ordinary" factor analysis or PCA.

Kenn

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