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src
shogun
evaluation
ClusteringAccuracy.cpp
Go to the documentation of this file.
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Written (W) 2012 Chiyuan Zhang
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* Copyright (C) 2012 Chiyuan Zhang
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*/
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#include <
shogun/evaluation/ClusteringAccuracy.h
>
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#include <
shogun/labels/MulticlassLabels.h
>
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using namespace
shogun;
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float64_t
CClusteringAccuracy::evaluate
(
CLabels
* predicted,
CLabels
* ground_truth)
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{
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ASSERT
(predicted && ground_truth)
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ASSERT
(ground_truth->
get_label_type
() ==
LT_MULTICLASS
)
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ASSERT
(predicted->
get_label_type
() ==
LT_MULTICLASS
)
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SGVector<int32_t>
predicted_ilabels=((
CMulticlassLabels
*) predicted)->get_int_labels();
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SGVector<int32_t>
groundtruth_ilabels=((
CMulticlassLabels
*) ground_truth)->get_int_labels();
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int32_t correct=0;
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for
(int32_t i=0; i < predicted_ilabels.vlen; ++i)
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{
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if
(predicted_ilabels[i] == groundtruth_ilabels[i])
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correct++;
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}
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return
float64_t
(correct)/predicted_ilabels.vlen;
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}
SHOGUN
Machine Learning Toolbox - Documentation