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Re: st: polychoric PCA

From   Stas Kolenikov <>
Subject   Re: st: polychoric PCA
Date   Thu, 28 Apr 2011 23:13:26 -0500

On Thu, Apr 28, 2011 at 5:00 PM, Christopher Sanford <> wrote:
> In order to run a pcamat on the matrix generated by the polychoricpcca command,
> I need to know the number of observations used. However, I am using a pweight
> with the polychoricpca and an N is not returned. How do I get the N? Can I use
> the same N as the polychoric command?

My guess is that -pcamat- only needs this for display purposes. You
can specify -n(1)-, -n(1000)- or -n( your original sample size )- and
see if it matters with anything.

Stas Kolenikov, also found at
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