This class of objects is returned from
princomp.
The class
"princomp" has methods for the following generic functions:
biplot,
predict,
print,
rotate,
screeplot,
summary.
The
"princomp" object is implemented as a list
with the following components:
"loadings" giving the loadings.
The first column is the linear combination of columns of
x defining
the first principal component, etc.
If argument
scores was numeric, then this contains that number of columns.
covlist was used.
cor is
FALSE.
If
cor is
TRUE, then
scales will be the square roots of the diagonal
of the
cov component of
covlist, if present, and otherwise it is the
standard deviations of the input data variables.
princomp.