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documented use

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This commit is contained in:
Gary Bradski 2010-12-03 02:49:09 +00:00
parent 139695213e
commit 4a662c3244
1 changed files with 15 additions and 3 deletions
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18
samples/c/tree_engine.cpp
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@ -1,8 +1,20 @@
#include "opencv2/ml/ml.hpp"
#include <stdio.h>
/*
The sample demonstrates how to use different decision trees.
*/
void help()
{
printf(
"\nThis sample demonstrates how to use different decision trees and forests including boosting and random trees:\n"
"CvDTree dtree;\n"
"CvBoost boost;\n"
"CvRTrees rtrees;\n"
"CvERTrees ertrees;\n"
"CvGBTrees gbtrees;\n"
"Date is hard coded to come from filename = \"../../../OpenCV/samples/c/waveform.data\";\n"
"Or can come from filename = \"../../../OpenCV/samples/c/waveform.data\";\n"
"Call:\n"
"./tree_engine\n\n");
}
void print_result(float train_err, float test_err, const CvMat* var_imp)
{
printf( "train error %f\n", train_err );