PCA.afaces: Principal component analysis on afaces objects

In vbonhomme/eigenfaces: eigenfaces using R

Description

Takes an afaces objet, uses as.matrix.afaces to convert it into a wide matrix, then call prcomp to perform the PCA. Returns a PCA object ala Momocs on which plot, MANOVA, etc. are defined.

Usage

## S3 method for class 'afaces'
PCA(x, scale. = TRUE, center = TRUE, fac = data.frame())

Arguments

x	an afaces object
scale.	logical, whether to scale the matrix
center	logical, whether to center the matrix
fac	data.frame (optionnal) that can be use with Momocs' PCA facilities.

Value

a list with the same components as prcomp plus $scale, $center, $mshape and $dim.

vbonhomme/eigenfaces documentation built on May 3, 2019, 4:35 p.m.