ldecomp.getDistances: Compute score and residual distances

In mdatools: Multivariate Data Analysis for Chemometrics

Compute score and residual distances

Description

Compute orthogonal Euclidean distance from object to PC space (Q, q) and Mahalanobis squared distance between projection of the object to the space and its origin (T2, h).

Usage

ldecomp.getDistances(scores, loadings, residuals, eigenvals)

Arguments

scores	matrix with scores (T).
loadings	matrix with loadings (P).
residuals	matrix with residuals (E).
eigenvals	vector with eigenvalues for the components

Details

The distances are calculated for every 1:n components, where n goes from 1 to ncomp (number of columns in scores and loadings).

Value

Returns a list with Q, T2 and tnorm values for each component.

mdatools documentation built on Sept. 11, 2024, 7:59 p.m.