From: Alexey Polovinkin <no@email>
Date: Sun, 17 Oct 2010 19:18:42 +0000 (+0000)
Subject: GBT train/test was added to tree_engine sample
X-Git-Tag: accepted/2.0/20130307.220821~4381
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f7c2e016deb2e7b78152d2c60e9dbecb2d134e0;p=profile%2Fivi%2Fopencv.git

GBT train/test was added to tree_engine sample
---

diff --git a/samples/c/tree_engine.cpp b/samples/c/tree_engine.cpp
index add1bbd..0bd6bf4 100644
--- a/samples/c/tree_engine.cpp
+++ b/samples/c/tree_engine.cpp
@@ -37,6 +37,7 @@ int main()
     CvBoost boost;
     CvRTrees rtrees;
     CvERTrees ertrees;
+	CvGBTrees gbtrees;
 
     CvMLData data;
 
@@ -71,6 +72,10 @@ int main()
         printf("======ERTREES=====\n");
         ertrees.train( &data, CvRTParams( 10, 2, 0, false, 16, 0, true, 0, 100, 0, CV_TERMCRIT_ITER ));
         print_result( ertrees.calc_error( &data, CV_TRAIN_ERROR), ertrees.calc_error( &data, CV_TEST_ERROR ), ertrees.get_var_importance() );
+
+		printf("======GBTREES=====\n");
+		gbtrees.train( &data, CvGBTreesParams(CvGBTrees::DEVIANCE_LOSS, 100, 0.05f, 0.6f, 10, true));
+		print_result( gbtrees.calc_error( &data, CV_TRAIN_ERROR), gbtrees.calc_error( &data, CV_TEST_ERROR ), 0 );
     }
     else
         printf("File can not be read");