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cisa
2000 Oct 03
3
prcomp compared to SPAD
...t; 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
And using SPAD (french editor CISIA) :
Ex: sd pv cp
comp1 | 2.4802 | 62.01 | 62.01 |
comp2 | 0.9898 | 24.74 | 86.75 |
comp3 | 0.3566 | 8.91 | 95.66 |
comp4 | 0.1734 | 4.34 | 100.00 |
Am I wrong using R ? Why the results are so different ?
Furthemore could an...