PCA.GENES: Obtain principal components into a matrix that has more...

View source: R/multifac_asca_heatmap2.R

PCA.GENESR Documentation

Obtain principal components into a matrix that has more variables than individuals

Description

X is a matrix that has as columns the compounds that were considered as variables in the PCA analysis. First we center the matrix by columns (Xoff) and then we obtain the eigenvalues and the eigenvectors of the matrix Xoff use the equivalences between the loadings and scores to obtain the solution

Usage

PCA.GENES(X)

Arguments

X

Input matrix that has as columns the compounds that were considered as variables in the PCA analysis

Author(s)

Jeff Xia jeff.xia@mcgill.ca McGill University, Canada License: GNU GPL (>= 2)


xia-lab/MetaboAnalystR documentation built on Dec. 23, 2024, 3:44 p.m.