index.S {clusterSim} | R Documentation |
Calculates Rousseeuw's Silhouette internal cluster quality index
index.S(d,cl)
d |
'dist' object |
cl |
A vector of integers indicating the cluster to which each object is allocated |
See file $R_HOME\library\clusterSim\pdf\indexS_details.pdf for further details
calculated Silhouette index
Marek Walesiak Marek.Walesiak@ae.jgora.pl, Andrzej Dudek Andrzej.Dudek@ae.jgora.pl
Department of Econometrics and Computer Science, University of Economics, Wroclaw, Poland http://www.ae.jgora.pl/keii
Gatnar, E., Walesiak, M. (Eds.) (2004), Metody statystycznej analizy wielowymiarowej w badaniach marketingowych [Multivariate statistical analysis methods in marketing research], Wydawnictwo AE, Wroclaw, pp. 342-343, erratum.
Kaufman, L., Rousseeuw, P.J. (1990), Finding groups in data: an introduction to cluster analysis, Wiley, New York, pp. 83-88.
index.G1
, index.G2
, index.G3
,
index.KL
, index.H
, index.Gap
, index.DB
library(clusterSim) data(data_ratio) d <- dist.GDM(data_ratio) c <- pam(d, 5, diss = TRUE) icq <- index.S(d,c$clustering) print(icq)