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src
shogun
classifier
vw
learners
VwAdaptiveLearner.h
浏览该文件的文档.
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/*
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* Copyright (c) 2009 Yahoo! Inc. All rights reserved. The copyrights
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* embodied in the content of this file are licensed under the BSD
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* (revised) open source license.
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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) 2011 Shashwat Lal Das
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* Adaptation of Vowpal Wabbit v5.1.
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* Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society.
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*/
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#ifndef _VW_ADAPTIVE_H__
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#define _VW_ADAPTIVE_H__
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#include <
shogun/classifier/vw/VwLearner.h
>
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#include <
shogun/classifier/vw/vw_common.h
>
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namespace
shogun
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{
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class
CVwAdaptiveLearner
:
public
CVwLearner
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{
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public
:
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CVwAdaptiveLearner
();
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CVwAdaptiveLearner
(
CVwRegressor
* regressor,
CVwEnvironment
* vw_env);
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virtual
~CVwAdaptiveLearner
();
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virtual
void
train
(
VwExample
* &ex,
float32_t
update
);
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virtual
const
char
*
get_name
()
const
{
return
"VwAdaptiveLearner"
; }
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private
:
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void
quad_update(
float32_t
* weights,
VwFeature
& page_feature,
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v_array<VwFeature>
&offer_features,
vw_size_t
mask,
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float32_t
update,
float32_t
g,
VwExample
* ex,
vw_size_t
& ctr);
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};
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}
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#endif // _VW_ADAPTIVE_H__
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