search for: salichpredict

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2010 May 26
1
validation logistic regression
...ilesinsample,] profilevalidation <- data[-nrprofilesinsample,] salich<-profilesample$SALIC.H.1 salic.lr<-glm(salich~wetnessindex, profilesample, family=binomial('logit')) summary(salic.lr) salichpred<-predict(salic.lr, newdata=profilevalidation) expsalichpred<-exp(salichpred) salichprediction<-(expsalichpred/(1+expsalichpred)) So,  table(salichprediction, profilevalidation$SALIC.H.1) in result: salichprediction            0 1   0.0408806327422231 1 0   0.094509645033899  1 0   0.118665480273383  1 0   0.129685441514168  1 0   0.13545295569511    1 0   0.137580612201769  1 0   0...