Calculate percent of explained variance for Principal Component Analysis objects.
object of class
other arguments currently not supported
The function calculates percentages of variance explained for each component resulting from Principal Component Analysis. The variance is equal to:
sigma^2 / sum( sigma^2 ) * 100
where sigma is equal to component's standard deviation.
A vector of length equal to a number of components existing in
object. Each element containes the percent of variance explained by
the corresponding component.
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