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2010 May 26
1
validation logistic regression
Hi   I did validation for prediction by logistic regression according to following:   validationsize <- 23 set.seed(1) random<-runif(123) order(random) nrprofilesinsample<-sort(order(random)[1:100]) profilesample <- data[nrprofilesinsample,] profilevalidation <- data[-nrprofilesinsample,] salich<-profilesample$SALIC.H.1 salic.lr<-glm(salich~wetnessindex, profilesample, family=binomial('logit')) summary(salic.lr) salichpred<-predict(salic.lr, newdata=profilevalidation) expsalichpred&l...