It is reporting _proportion_ of the total variance. Not the variance.
The total variance is the sum of all the squared standard deviations. Only
the first 3 standard deviations are shown.
Kevin
On Mon, Apr 9, 2012 at 3:31 PM, carol white wrote:
> Hello,
> It might be a trivial question but
Hello,
It might be a trivial question but I just wanted to find out the relationship
between sdev and proportion of variance generated by prcomp. I got the
following result from my data set
PC1 PC2 PC3
Standard deviation 104.89454 15.40910 9.012047
Prop
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