predict.princomp
Principal Component Scores
Description
Returns a matrix of the scores for the principal components.
Usage
predict.princomp(object, newdata, ... )
Arguments
object |
object of class "princomp".
|
newdata |
matrix or data frame of numeric data.
The column names must include the variables used to compute object.
|
Details
This is the "princomp" method for the generic function predict.
Value
matrix of principal component scores.
See Also
Examples
wafer.pc <- princomp(~ pre.mean + post.mean + pre.dev + post.dev,
data=Sdatasets::wafer)
hyp.data <- data.frame(pre.mean=c(2,3), post.mean=c(2,3),
post.dev=c(.2,.3), pre.dev=c(.1,.2))
predict(wafer.pc, hyp.data)