FD.normalization {FlexDir}

Normalization

Description

Given a matrix or a numeric dataframe, this function returns a composition (i.e. data summing up to 1).

Usage

FD.normalization(data)

Arguments

data

a matrix or a dataframe containing only variables to be transformed into compositional variables.

Details

Values must be positive. In case one row-entry (or more) is NA, the whole row will be returned as NA.

See Also

FD.generate, FD.subcomposition, FD.amalgamation

Examples

data(oliveoil)
dataoil <- oliveoil
head(dataoil)
data <- FD.normalization(dataoil[,3:10])
head(data)
data.sub <- FD.subcomposition(data,c(1,3,4,5))
head(data.sub)
data.amalg <- FD.amalgamation(data,c(2,6,7,8),name='others')
head(data.amalg)