SHOGUN  5.0.0
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules
Hierarchical.h
Go to the documentation of this file.
1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 2007-2009 Soeren Sonnenburg
8  * Copyright (C) 2007-2009 Fraunhofer Institute FIRST and Max-Planck-Society
9  */
10 
11 #ifndef _HIERARCHICAL_H__
12 #define _HIERARCHICAL_H__
13 
14 #include <shogun/lib/config.h>
15 
16 #include <shogun/lib/common.h>
17 #include <shogun/io/SGIO.h>
20 
21 namespace shogun
22 {
23 class CDistanceMachine;
24 
39 {
40  public:
42  CHierarchical();
43 
49  CHierarchical(int32_t merges, CDistance* d);
50  virtual ~CHierarchical();
51 
54 
60 
66  virtual bool load(FILE* srcfile);
67 
73  virtual bool save(FILE* dstfile);
74 
79  inline void set_merges(int32_t m)
80  {
81  ASSERT(m>0)
82  merges=m;
83  }
84 
89  int32_t get_merges();
90 
95 
100 
105 
107  virtual const char* get_name() const { return "Hierarchical"; }
108 
109  protected:
118  virtual bool train_machine(CFeatures* data=NULL);
119 
123  virtual void store_model_features();
124 
125  virtual bool train_require_labels() const { return false; }
126 
127  protected:
129  int32_t merges;
130 
132  int32_t dimensions;
133 
136 
138  int32_t* assignment;
139 
141  int32_t table_size;
142 
144  int32_t* pairs;
145 
148 };
149 }
150 #endif
EMachineType
Definition: Machine.h:33
virtual bool save(FILE *dstfile)
SGVector< float64_t > get_merge_distances()
Class Distance, a base class for all the distances used in the Shogun toolbox.
Definition: Distance.h:87
MACHINE_PROBLEM_TYPE(PT_MULTICLASS)
Agglomerative hierarchical single linkage clustering.
Definition: Hierarchical.h:38
int32_t merges
the number of merges in hierarchical clustering
Definition: Hierarchical.h:129
virtual const char * get_name() const
Definition: Hierarchical.h:107
void set_merges(int32_t m)
Definition: Hierarchical.h:79
int32_t * assignment
cluster assignment for the num_points
Definition: Hierarchical.h:138
A generic DistanceMachine interface.
#define ASSERT(x)
Definition: SGIO.h:201
virtual bool train_machine(CFeatures *data=NULL)
SGMatrix< int32_t > get_cluster_pairs()
int32_t table_size
size of the below tables
Definition: Hierarchical.h:141
double float64_t
Definition: common.h:50
int32_t assignment_size
size of assignment table
Definition: Hierarchical.h:135
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
SGVector< int32_t > get_assignment()
virtual void store_model_features()
virtual bool load(FILE *srcfile)
The class Features is the base class of all feature objects.
Definition: Features.h:68
float64_t * merge_distance
distance at which pair i/j was added
Definition: Hierarchical.h:147
virtual bool train_require_labels() const
Definition: Hierarchical.h:125
int32_t dimensions
number of dimensions
Definition: Hierarchical.h:132
virtual EMachineType get_classifier_type()
int32_t * pairs
tuples of i/j
Definition: Hierarchical.h:144

SHOGUN Machine Learning Toolbox - Documentation