summary.princomp {stats}R Documentation

Summary method for Principal Components Analysis

Description

The summary method for class "princomp".

Usage

## S3 method for class 'princomp':
summary(object, loadings = FALSE, cutoff = 0.1, ...)

## S3 method for class 'summary.princomp':
print(x, digits = 3, loadings = x$print.loadings,
      cutoff = x$cutoff, ...)

Arguments

object an object of class "princomp", as from princomp().
loadings logical. Should loadings be included?
cutoff numeric. Loadings below this cutoff in absolute value are shown as blank in the output.
x an object of class "summary.princomp".
digits the number of significant digits to be used in listing loadings.
... arguments to be passed to or from other methods.

Value

object with additional components cutoff and print.loadings.

See Also

princomp

Examples

data(USArrests)
summary(pc.cr <- princomp(USArrests, cor=TRUE))
print(summary(princomp(USArrests, cor=TRUE),
              loadings = TRUE, cutoff = 0.2), digits = 2)
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