Re: [R] can not print probabilities in svm of e1071

HI, Saeed, It worked this time. Thanks, I appreciated it very much! On Thu, Apr 29, 2010 at 5:23 PM, Saeed Abu Nimeh wrote: > in svm.roc <- prediction(attributes(svm.pred)$decision.values, valid) > valid should be the output variable in the validation set. maybe > valid[,1] assuming that it

Re: [R] can not print probabilities in svm of e1071

HI, Saeed, Thanks so much for the help, I run your code and found the following problem, do you have any comments or suggestions? > svm.p<-svm(as.factor(out) ~ ., data=train[,c( 2:18, 20:21, 24, 27:32)], probability=TRUE, method="C-classification", + kernel="radial", cost=bestc, gamma=bestg, cros

Re: [R] can not print probabilities in svm of e1071

svm.model <- svm(y~.,data=dataset,probability=TRUE) svm.pred<-predict(svm.model, test.set, decision.values = TRUE, probability = TRUE) library(ROCR) svm.roc <- prediction(attributes(svm.pred)$decision.values, test.set) svm.auc <- performance(svm.roc, 'tpr', 'fpr') plot(svm.auc) On Thu, Apr

[R] can not print probabilities in svm of e1071

> x <- train[,c( 2:18, 20:21, 24, 27:31)] > y <- train$out > > svm.pr <- svm(x, y, probability = TRUE, method="C-classification", kernel="radial", cost=bestc, gamma=bestg, cross=10) > > pred <- predict(svm.pr, valid[,c( 2:18, 20:21, 24, 27:31)], decision.values = TRUE, probability = TRUE) > at