dist.GDM {clusterSim} | R Documentation |
Calculates Generalized Distance Measure for variables measured on metric scale (ratio & interval) or ordinal scale
dist.GDM(x, method="GDM1", weightsType="equal", weights=NULL) GDM(x, method="GDM1", weightsType="equal", weights=NULL) GDM1(x, weightsType="equal", weights=NULL) GDM2(x, weightsType="equal", weights=NULL)
x |
matrix or data set |
method |
GDM1 or GDM2 |
weightsType |
equal or different1 or different2 |
weights |
vector of weights |
See file $R_HOME\library\clusterSim\pdf\distGDM_details.pdf for further details
object with calculated distance
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
Walesiak, M. (1999), Distance Measure for Ordinal Data, "Argumenta Oeconomica", No. 2 (8), 167-173.
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.
#Example 1 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) #Example 2 library(clusterSim) data(data_ratio) d1w <- GDM(data_ratio, method="GDM1", weightsType="different1", weights=c(0.4,0.1,0.3,0.15,0.05)) data(data_ordinal) d2w <- GDM(data_ordinal, method="GDM2", weightsType="different2", weights=c(1,3,0.5,1.5,1.8,0.2,0.4,0.6,0.2,0.4,0.9,1.5))