findit polychoric
Subject: st: Factor analysis and dummy variables.
To: [email protected]
From: [email protected]
Date sent: Fri, 10 Dec 2004 11:24:59 -0500
Send reply to: [email protected]
> Hi,
>
> I know this question has been asked several times, but it's worth asking again.
>
> Is it right to perform PCA analysis with dummy (0/1) variables?
>
> I used to code :
>
> factor radio tv frige bike moto car , pcf factor(5)
>
> where radio tv ... are dummy (0/1),
>
> but a colleague just told me I am wrong.
>
> A MCA in his mind is better.
>
> What is the best command in that case? Just to make sure.
>
> Best regards.
>
> Amadou.
>
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Prof. Mark E. Schaffer
Director
Centre for Economic Reform and Transformation
Department of Economics
School of Management & Languages
Heriot-Watt University, Edinburgh EH14 4AS UK
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