getAssocTestRes.pca: getAssocTestRes.pca

View source: R/dimRed.R

getAssocTestRes.pcaR Documentation

getAssocTestRes.pca

Description

Test associations of annotations with principal components (PCA)

Usage

getAssocTestRes.pca(X, ph, nComp = 10, nPerm = 1000)

Arguments

X

A matrix on which the dimension reduction is to be performed. Alternatively, it can be a matrix of PC coordinates computed by getDimRedCoords.pca.

ph

annotation table for the datapoints. The columns of this table will be used to test associations with the PCs. Should be a matrix or data.frame.

nComp

number of PCs to be considered

nPerm

number of permutation tests to be conducted if an annotation in ph is numeric (i.e. a correlation permutation test is performed)

Value

A nested list of tested associations one element for each column in ph (1st level), each PC (2nd level). Each element is again a list with the name of the test being used (test), the test statistic (statistic) and p-value (pvalue)

Author(s)

Fabian Mueller


demuellae/muRtools documentation built on Sept. 8, 2023, 4:32 p.m.