On 2/8/2006 12:50 PM, Laura Quinn wrote:
> Hi,
>
> I was wondering if anyone could tell me why prcomp() will "Invent" modes
> of variation in a PCA on identical replicates of data? I would have
> expected 50 (or whatever number) of identical replicates to return a null
> score in such an analysis
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> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Laura Quinn
> Sent: Wednesday, February 08, 2006 9:50 AM
> To: r-help@stat.math.ethz.ch
> Subject: [R] slightly
Hi,
I was wondering if anyone could tell me why prcomp() will "Invent" modes
of variation in a PCA on identical replicates of data? I would have
expected 50 (or whatever number) of identical replicates to return a null
score in such an analysis (or at the least, all variables would share the
same
