May be a simple question, but not understanding why in princomp I get different results for loadings and summary for my eigenvectors and eigenvalues. 
 
When I use pc.cr$loadings using the USArrests dataset the proportion of variance is equal for each of the components, but when summary(pc.cr) is used the proportion of variance is showing different proportions. My question is why do they differ? I thought that they would report the same thing?
 
Thanks in advance for clearing this confusion for me.
Adrian Katschke



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