VBmix (version 0.2.17)

subMppca: subMppca

Description

removes unused components and factor columns from model.

Usage

subMppca(model, prune = FALSE, thres = 2.001, quick = FALSE, noxmean = TRUE)

Arguments

model

MPPCA model to be shrinked.

prune

if TRUE, void factor columns are removed.

thres

threshold for component selection. A components is selected iif alpha > thres.

quick

influences method for void factor columns detection. If FALSE, a KL-based criterion is employed (more accurate). If TRUE, column norms are used (useful for very high dimensional data sets).

noxmean

should always be set to TRUE.

Value

• shrinked MPPCA model.

See Also

mppca newMppca

Examples

# use a subsample of pendat, for runtime (packaging) needs.
temp <- mppca(pendat[sample(1:2000,150),], 15, qmax=8, maxit=20)
temp2 <- subMppca(temp, prune=TRUE, quick=TRUE)