ssvd: Sparse bilinear k component model of a matrix

Description Usage Arguments

Description

This functions minimises |x-udv'|2 s.t. sum(abs(u))<sumabs[1], sum(abs(v))<sumabs[2], norm(u,2)=norm(v,2) = 1 with respect to u and v. sequencially by deflation.

Usage

1
ssvd(x, ncomp = 1, sumabs = sqrt(c(nrow(x), ncol(x))), niter = 100)

Arguments

x

a n by p dataset

sumabs

1 by 2 vector ofL1 contraint on u and v respectively

niter

= 100 (default) number of iterations


mortenarendt/StructuralKnowledgeModl documentation built on May 21, 2019, 11:42 a.m.