nipalsSoftK: NIPALS algorithm with soft thresholding operator

In mogsa: Multiple omics data integrative clustering and gene set analysis

Description

An internal function called by mbpca.

Usage

nipalsSoftK(x, maxiter, k)

Arguments

x	The input matrix, rows are observations, columns are variables
maxiter	# of maximum interation the algorithm can run
k	The number (>=1) or proportion (<1) of variables want to keep. It could be a single value or a vector has the same length as x so the sparsity of individual matrix could be different.

Value

an list object contains the following elements:

tb - the block scores

pb - the block loadings

t - the global scores

w - the wegihts of block scores to construct the global score.

Author(s)

Chen Meng

See Also

msvd

mogsa documentation built on Nov. 8, 2020, 5:41 p.m.