calcexplainedInertia {geocmeans} | R Documentation |
Calculate the explained inertia by a classification
calcexplainedInertia(data, belongmatrix)
data |
The original dataframe used for the classification (n*p) |
belongmatrix |
A membership matrix (n*k) |
A float : the percentage of the total inertia explained
data(LyonIris) AnalysisFields <-c("Lden","NO2","PM25","VegHautPrt","Pct0_14","Pct_65","Pct_Img", "TxChom1564","Pct_brevet","NivVieMed") dataset <- LyonIris@data[AnalysisFields] queen <- spdep::poly2nb(LyonIris,queen=TRUE) Wqueen <- spdep::nb2listw(queen,style="W") result <- SFCMeans(dataset, Wqueen,k = 5, m = 1.5, alpha = 1.5, standardize = TRUE) calcexplainedInertia(result$Data,result$Belongings)