From a3ad9df0b4d330dddc3901c444092cd32932d071 Mon Sep 17 00:00:00 2001
From: Tianqi Chen <tqchen@users.noreply.github.com>
Date: Mon, 4 May 2015 14:27:44 -0700
Subject: [PATCH] Update understandingXGBoostModel.Rmd

---
 demo/kaggle-otto/understandingXGBoostModel.Rmd | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/demo/kaggle-otto/understandingXGBoostModel.Rmd b/demo/kaggle-otto/understandingXGBoostModel.Rmd
index e626147a595c..6bd670c82a30 100644
--- a/demo/kaggle-otto/understandingXGBoostModel.Rmd
+++ b/demo/kaggle-otto/understandingXGBoostModel.Rmd
@@ -111,13 +111,13 @@ Look at the function documentation for more information.
 
 
 ```{r crossValidation}
-numberOfClasses <- max(y)
+numberOfClasses <- max(y) + 1
 
 param <- list("objective" = "multi:softprob",
               "eval_metric" = "mlogloss",
-              "num_class" = numberOfClasses + 1)
+              "num_class" = numberOfClasses)
 
-cv.nround <- 50
+cv.nround <- 5
 cv.nfold <- 3
 
 bst.cv = xgb.cv(param=param, data = trainMatrix, label = y,