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src
shogun
multiclass
tree
ID3ClassifierTree.h
Go to the documentation of this file.
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/*
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* Copyright (c) The Shogun Machine Learning Toolbox
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* Written (w) 2014 Parijat Mazumdar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those
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* of the authors and should not be interpreted as representing official policies,
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* either expressed or implied, of the Shogun Development Team.
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*/
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#ifndef _ID3CLASSIFIERTREE_H__
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#define _ID3CLASSIFIERTREE_H__
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#include <
shogun/multiclass/tree/TreeMachine.h
>
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#include <
shogun/multiclass/tree/ID3TreeNodeData.h
>
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#include <
shogun/features/DenseFeatures.h
>
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#include <
shogun/labels/MulticlassLabels.h
>
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namespace
shogun
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{
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class
CID3ClassifierTree
:
public
CTreeMachine
<id3TreeNodeData>
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{
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public
:
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CID3ClassifierTree
();
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virtual
~CID3ClassifierTree
();
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virtual
const
char
*
get_name
()
const
{
return
"ID3ClassifierTree"
; }
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virtual
CMulticlassLabels
*
apply_multiclass
(
CFeatures
* data=NULL);
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protected
:
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virtual
bool
train_machine
(
CFeatures
* data=NULL);
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private
:
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node_t
* id3train(
CFeatures
* data,
CMulticlassLabels
* class_labels,
SGVector<int32_t>
values,
int
level = 0);
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float64_t
informational_gain_attribute(int32_t attr_no,
CFeatures
* data,
CMulticlassLabels
* class_labels);
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float64_t
entropy(
CMulticlassLabels
* labels);
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};
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}
/* namespace shogun */
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#endif
/* _ID3CLASSIFIERTREE_H__ */
SHOGUN
Machine Learning Toolbox - Documentation