optik {Kurt}

optik

Description

It computes the matrix containing the smallest and largest kurtoses of data projections as well as the corresponding directions.

Usage

optik(data)

Arguments

data

data matrix

Value

kurMAX

kurtosis of the projection maximizing kurtosis

pMAX

projection maximizing kurtosis

dMAX

direction maximizing kurtosis

kurMINbis

kurtosis of the projection minimizing kurtosis

pMINbis

projection minimizing kurtosis

dMINbis

direction minimizing kurtosis

Author(s)

Cinzia Franceschini and Nicola Loperfido

Examples

data(iris)
iris<-data.matrix(iris)#returns the matrix obtained by converting the data frame to numeric mode
optik(iris[,1:4])#starting values of the projections with extreme kurtosis