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Hierarchical.h
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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 <stdio.h>
15 #include <shogun/lib/common.h>
16 #include <shogun/io/SGIO.h>
19 
20 namespace shogun
21 {
22 class CDistanceMachine;
23 
38 {
39  public:
41  CHierarchical();
42 
48  CHierarchical(int32_t merges, CDistance* d);
49  virtual ~CHierarchical();
50 
53 
59 
65  virtual bool load(FILE* srcfile);
66 
72  virtual bool save(FILE* dstfile);
73 
78  inline void set_merges(int32_t m)
79  {
80  ASSERT(m>0)
81  merges=m;
82  }
83 
88  int32_t get_merges();
89 
94 
99 
104 
106  virtual const char* get_name() const { return "Hierarchical"; }
107 
108  protected:
117  virtual bool train_machine(CFeatures* data=NULL);
118 
122  virtual void store_model_features();
123 
124  virtual bool train_require_labels() const { return false; }
125 
126  protected:
128  int32_t merges;
129 
131  int32_t dimensions;
132 
135 
137  int32_t* assignment;
138 
140  int32_t table_size;
141 
143  int32_t* pairs;
144 
147 };
148 }
149 #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:80
MACHINE_PROBLEM_TYPE(PT_MULTICLASS)
Agglomerative hierarchical single linkage clustering.
Definition: Hierarchical.h:37
int32_t merges
the number of merges in hierarchical clustering
Definition: Hierarchical.h:128
virtual const char * get_name() const
Definition: Hierarchical.h:106
void set_merges(int32_t m)
Definition: Hierarchical.h:78
int32_t * assignment
cluster assignment for the num_points
Definition: Hierarchical.h:137
A generic DistanceMachine interface.
#define ASSERT(x)
Definition: SGIO.h:203
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:140
double float64_t
Definition: common.h:48
int32_t assignment_size
size of assignment table
Definition: Hierarchical.h:134
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:16
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:62
float64_t * merge_distance
distance at which pair i/j was added
Definition: Hierarchical.h:146
virtual bool train_require_labels() const
Definition: Hierarchical.h:124
int32_t dimensions
number of dimensions
Definition: Hierarchical.h:131
virtual EMachineType get_classifier_type()
int32_t * pairs
tuples of i/j
Definition: Hierarchical.h:143

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