.rowGrpCV {wrMisc}

row group CV (main)

Description

This function calculates CVs for matrix with multiple groups of data, ie one CV for each group of data.

Usage

.rowGrpCV(x, grp, means)

Arguments

x

numeric matrix where relplicates are organized into separate columns

grp

(factor) defining which columns should be grouped (considered as replicates)

means

(numeric) alternative values instead of means by .rowGrpMeans()

Value

This function returns a matrix of CV values

See Also

rowGrpCV, rowCVs, arrayCV, replPlateCV

Examples

set.seed(2016); dat1 <- matrix(c(runif(200)+rep(1:10,20)),ncol=10)
grp1 <- gl(4,3,labels=LETTERS[1:4])[2:11]
head(.rowGrpCV(dat1, grp1,  .rowGrpMeans(dat1, grp1)))