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#Predicting the test data
xgmat.test <- xgb.DMatrix(as.matrix(higgs.test.dummy))
xgboostTestPred <- predict(bst, newdata=xgmat.test)
predicted <- rep("s",550000)
predicted[xgboostTestPred>=threshold] <- "b"
weightRank = rank(xgboostTestPred, ties.method= "random")
write.csv(as.data.frame(xgboostTestPred), "Submissions/xgboost_prob.csv")
write.csv(as.data.frame(higgs.testId), "Submissions/EventID.csv")
submission = data.frame(EventId = higgs.testId, RankOrder = weightRank, Class = predicted)
write.csv(submission, "xgboost_submission.csv", row.names=FALSE)
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