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HypothesisTest.h
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1 /*
2  * Copyright (c) The Shogun Machine Learning Toolbox
3  * Written (w) 2012-2013 Heiko Strathmann
4  * All rights reserved.
5  *
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7  * modification, are permitted provided that the following conditions are met:
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9  * 1. Redistributions of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
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15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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29  */
30 
31 #ifndef HYPOTHESIS_TEST_H_
32 #define HYPOTHESIS_TEST_H_
33 
34 #include <shogun/base/SGObject.h>
35 
36 namespace shogun
37 {
38 
41 {
43 };
44 
47 {
49 };
50 
68 class CHypothesisTest : public CSGObject
69 {
70 public:
73 
75  virtual ~CHypothesisTest();
76 
78  virtual float64_t compute_statistic()=0;
79 
90  virtual float64_t compute_p_value(float64_t statistic);
91 
101  virtual float64_t compute_threshold(float64_t alpha);
102 
118  virtual float64_t perform_test();
119 
132  bool perform_test(float64_t alpha);
133 
139  virtual SGVector<float64_t> sample_null()=0;
140 
145  virtual void set_num_null_samples(index_t num_null_samples);
146 
150  virtual void set_null_approximation_method(
151  ENullApproximationMethod null_approximation_method);
152 
154  virtual EStatisticType get_statistic_type() const=0;
155 
156  virtual const char* get_name() const=0;
157 
158 private:
160  void init();
161 
162 protected:
165 
168 };
169 
170 }
171 
172 #endif /* HYPOTHESIS_TEST_H_ */

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