Hello again,
I was hoping one of you could help me with this problem. Consider the sample
data from R:
> summary(prcomp(USArrests))
Importance of components:
PC1 PC2 PC3 PC4
Standard deviation 83.732 14.2124 6.4894 2.48279
Proportion of Variance 0.966 0.0278 0.0058 0.00085
Cumulative Proportion 0.966 0.9933 0.9991 1.00000
How do I access the information contained within this summary? For instance,
let's say I wanted to make a graph based on the second row ("Proportion of
Variance").
Please rest assured this is not a homework assignment. I'm just a relatively
novice R user trying to do stuff that's often over my head.
Thanks in advance,
-----------------------------------
Josh Banta, Ph.D
Center for Genomics and Systems Biology
New York University
100 Washington Square East
New York, NY 10003
Tel: (212) 998-8465
http://plantevolutionaryecology.org
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