qualitySample: Sample quality computation in PCA

Description Usage Arguments Details Value Author(s) See Also

View source: R/pca.R

Description

Sample quality computation in Principal Component Analysis: compute cos2 between samples and each combination of 2 axes

Usage

1
qualitySample(acp, axes = c(1:3))

Arguments

acp

result from PCA or runPCA function

axes

vector of integer, axes number for quality computation, by default 1:3

Details

Representation quality for 2 axes is the sum of representation quality for each axe

Value

A matrix with cos2 between samples and axes

Author(s)

Nicolas Servant, Eleonore Gravier, Pierre Gestraud, Cecile Laurent, Caroline Paccard, Anne Biton, Jonas Mandel, Bernard Asselain, Emmanuel Barillot, Philippe Hupe

See Also

runPCA, PCA


EMA documentation built on March 26, 2020, 8:40 p.m.