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2012 Apr 09
1
sdev, variance in prcomp
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
Proportion of Variance?? 0.52344? 0.01130 0.003860
Cumulative Proportion??? 0.52344? 0.53474 0.538600