Nothing
predict_bagg.pltr <- function(bag_pltr, Y.name, newdata, type = "response", thresshold = seq(0, 1, by = 0.1))
{
predict_glm <- lapply(bag_pltr$Glm_BAG, function(uw)
{
pred <- predict.glm(uw, newdata = newdata, type = type)
return(sapply(thresshold, function(wz) as.numeric(pred > wz)))
})
Bag <- length(bag_pltr$Glm_BAG)
PRED_IND <- list()
for(jj in seq(length(thresshold))){
PRED_IND[[jj]] <- sapply(1:Bag, function(ww) predict_glm[[ww]][,jj])
}
FINAL_PRED_IND1 <- lapply(PRED_IND, function(www) apply(www, 1, function(zzz) as.numeric(mean(zzz) > 0.5)))
names(FINAL_PRED_IND1) <- paste('CUT', 1: length(thresshold), sep = '')
PRED_ERROR1 <- sapply(FINAL_PRED_IND1, function(uuu) mean( uuu != newdata[, Y.name]))
PRED_ERRORS_PBP <- lapply(1: length(thresshold),function(vvv)
{
return(sapply(1: Bag, function(ww) mean(newdata[, Y.name] != predict_glm[[ww]][, vvv])))
})
names(PRED_ERRORS_PBP) <- paste('CUT', 1: length(thresshold), sep = '')
PRED_ERROR_PBP <- sapply(PRED_ERRORS_PBP, function(uu) mean(uu))
PROB_LIST <- lapply(bag_pltr$Glm_BAG, function(uu){
pred <- predict.glm(uu, newdata = newdata, type = type)
return(pred)
})
PROB_MAT <- matrix(unlist(PROB_LIST), ncol = Bag, byrow = FALSE)
PROB_VECT <- apply(PROB_MAT, 1, mean)
FINAL_PRED_IND2 <- sapply(thresshold, function(ttt) as.numeric(PROB_VECT > ttt))
FINAL_PRED_IND2 <- as.list(as.data.frame( FINAL_PRED_IND2))
names(FINAL_PRED_IND2) <- paste('CUT', 1: length(thresshold), sep = '')
confusion2 <-lapply(FINAL_PRED_IND2, function(cc) table(cc,newdata[, Y.name], dnn = c("Predicted Class", "Observed Class")))
PRED_ERROR2 <- sapply(FINAL_PRED_IND2, function(uuu) mean( uuu != newdata[, Y.name]))
confusion1 <-lapply(FINAL_PRED_IND1, function(cc) table(cc,newdata[, Y.name], dnn = c("Predicted Class", "Observed Class")))
return(list(FINAL_PRED_IND1 = FINAL_PRED_IND1, FINAL_PRED_IND2 = FINAL_PRED_IND2, PRED_ERROR1 = PRED_ERROR1,
PRED_ERROR2 = PRED_ERROR2, CONF1 = confusion1, CONF2 = confusion2, PRED_ERRORS_PBP = PRED_ERRORS_PBP,
PRED_ERROR_PBP = PRED_ERROR_PBP))
}
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