RE: [R] Factor loadings and principal component plots

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From: antonio rodriguez (arv@ono.com)
Date: Tue 04 May 2004 - 16:17:59 EST


Message-id: <IPEFKICOHOECENGJBAGLCEFIDDAA.arv@ono.com>

Hi Neil,

> -----Mensaje original-----
> De: r-help-bounces@stat.math.ethz.ch
> [mailto:r-help-bounces@stat.math.ethz.ch]En nombre de ndesnoyers@att.net
> Enviado el: lunes, 03 de mayo de 2004 23:22
> Para: r-help@stat.math.ethz.ch
> Asunto: [R] Factor loadings and principal component plots
>
>
> Hi- Can anyone tell me the command(s) to produce the following plots:
>
> -Factor loadings plot for principal components
> -Plot of principal component scores

Probably you can look directly to the screeplot() or loadings() functions.

>
> Also, apart from the prcomp (or princomp) command is there any
> other way to obtain principal components and if so, how does
> it/they stack up to prcomp?

 eigen()or svd() functions

>
> Thanks in advance for any assistance you can provide.
>
> Neil Desnoyers

Antonio
>
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