dist.GDM {clusterSim}R Documentation

Calculates Generalized Distance Measure

Description

Calculates Generalized Distance Measure for variables measured on metric scale (ratio & interval) or ordinal scale.

Usage

dist.GDM (x,method="GDM1")
GDM(x,method="GDM1")
GDM1(x)
GDM2(x)

Arguments

x matrix or data set
method GDM1 or GDM2

"GDM1" - metric scale (ratio & interval)
"GDM2" - ordinal scale

Details

See file $R_HOME\library\clusterSim\pdf\distGDM_details.pdf for further details

Value

object with calculated distance

Author(s)

Marek Walesiak marek.walesiak@ue.wroc.pl, Andrzej Dudek andrzej.dudek@ue.wroc.pl

Department of Econometrics and Computer Science, University of Economics, Wroclaw, Poland http://keii.ue.wroc.pl/clusterSim

References

Jajuga, K., Walesiak, M., Bak, A. (2003), On the general distance measure, In: M. Schwaiger, O. Opitz (Eds.), Exploratory data analysis in empirical research, Springer-Verlag, Berlin, Heidelberg, 104-109.

Walesiak, M. (2006), Uogolniona miara odleglosci w statystycznej analizie wielowymiarowej [The Generalized Distance Measure in multivariate statistical analysis], Wydawnictwo AE, Wroclaw.

See Also

dist.BC, dist.SM, dist

Examples

library(clusterSim)
data(data_ratio)
d1 <- GDM(data_ratio, method="GDM1")
data(data_ordinal)
d2 <- GDM(data_ordinal, method="GDM2")
d3 <- GDM1(data_ratio)
d4 <- GDM2(data_ordinal)

[Package clusterSim version 0.36-4 Index]