mdatools (version 0.9.4)

pca.nipals: NIPALS based PCA algorithm

Description

Calculates principal component space using non-linear iterative partial least squares algorithm (NIPALS)

Usage

pca.nipals(x, ncomp)

Arguments

x

a matrix with data values (preprocessed)

ncomp

number of components to calculate

Value

a list with scores, loadings and eigencalues for the components

References

Geladi, Paul; Kowalski, Bruce (1986), "Partial Least Squares Regression:A Tutorial", Analytica Chimica Acta 185: 1-17