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vw_label.h
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1 /*
2  * Copyright (c) 2009 Yahoo! Inc. All rights reserved. The copyrights
3  * embodied in the content of this file are licensed under the BSD
4  * (revised) open source license.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Written (W) 2011 Shashwat Lal Das
12  * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society.
13  */
14 
15 #ifndef _VW_LABEL_H__
16 #define _VW_LABEL_H__
17 
18 #include <shogun/lib/DataType.h>
19 #include <shogun/lib/common.h>
20 #include <shogun/lib/v_array.h>
21 #include <shogun/io/SGIO.h>
23 
24 namespace shogun
25 {
26 
32 class VwLabel
33 {
34 public:
38  VwLabel(): label(FLT_MAX), weight(1.), initial(0.) { }
39 
43  ~VwLabel() { }
44 
49  inline float32_t get_label() { return label; }
50 
55  inline void set_label(float32_t l) { label = l; }
56 
61  inline float32_t get_weight() { return weight; }
62 
67  inline void set_weight(float32_t w) { weight = w; }
68 
73  inline float32_t get_initial() { return initial; }
74 
79  inline void set_initial(float32_t i) { initial = i; }
80 
87 
88 public:
95 };
96 
97 }
98 #endif // _VW_LABEL_H__
Class v_array taken directly from JL's implementation.
float32_t label
Label value.
Definition: vw_label.h:90
float32_t get_initial()
Definition: vw_label.h:73
float32_t weight
Weight of example.
Definition: vw_label.h:92
Class VwLabel holds a label object used by VW.
Definition: vw_label.h:32
void label_from_substring(v_array< substring > &words)
Definition: vw_label.cpp:19
float32_t get_label()
Definition: vw_label.h:49
void set_label(float32_t l)
Definition: vw_label.h:55
void set_initial(float32_t i)
Definition: vw_label.h:79
float float32_t
Definition: common.h:47
float32_t initial
Initial approximation.
Definition: vw_label.h:94
void set_weight(float32_t w)
Definition: vw_label.h:67
float32_t get_weight()
Definition: vw_label.h:61

SHOGUN Machine Learning Toolbox - Documentation