C++ API Reference for Intel® Data Analytics Acceleration Library 2020 Update 1

multiclass_confusion_matrix_batch.h
1 /* file: multiclass_confusion_matrix_batch.h */
2 /*******************************************************************************
3 * Copyright 2014-2020 Intel Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
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12 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * See the License for the specific language governing permissions and
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16 *******************************************************************************/
17 
18 /*
19 //++
20 // Interface for the multi-class confusion matrix algorithm in the batch processing mode
21 //--
22 */
23 
24 #ifndef __MULTICLASS_CONFUSION_MATRIX_BATCH_H__
25 #define __MULTICLASS_CONFUSION_MATRIX_BATCH_H__
26 
27 #include "algorithms/algorithm.h"
28 #include "algorithms/classifier/multiclass_confusion_matrix_types.h"
29 
30 namespace daal
31 {
32 namespace algorithms
33 {
34 namespace classifier
35 {
36 namespace quality_metric
37 {
38 namespace multiclass_confusion_matrix
39 {
40 
41 namespace interface1
42 {
55 template<typename algorithmFPType, Method method, CpuType cpu>
56 class BatchContainer : public daal::algorithms::AnalysisContainerIface<batch>
57 {
58 public:
64  BatchContainer(daal::services::Environment::env *daalEnv);
66  virtual ~BatchContainer();
70  virtual services::Status compute() DAAL_C11_OVERRIDE;
71 };
72 
86 template<typename algorithmFPType = DAAL_ALGORITHM_FP_TYPE, Method method = defaultDense>
87 class DAAL_EXPORT Batch : public daal::algorithms::quality_metric::Batch
88 {
89 public:
90  typedef algorithms::classifier::quality_metric::multiclass_confusion_matrix::Input InputType;
91  typedef algorithms::classifier::quality_metric::multiclass_confusion_matrix::Parameter ParameterType;
92  typedef algorithms::classifier::quality_metric::multiclass_confusion_matrix::Result ResultType;
93 
94  InputType input;
95  ParameterType parameter;
101  Batch(size_t nClasses = 2) : parameter(nClasses)
102  {
103  initialize();
104  }
105 
112  Batch(const Batch<algorithmFPType, method> &other) : input(other.input), parameter(other.parameter)
113  {
114  initialize();
115  }
116 
121  virtual int getMethod() const DAAL_C11_OVERRIDE { return(int) method; }
122 
127  ResultPtr getResult() const
128  {
129  return _result;
130  }
131 
136  services::Status setResult(const ResultPtr& result)
137  {
138  DAAL_CHECK(result, services::ErrorNullResult)
139  _result = result;
140  _res = _result.get();
141  return services::Status();
142  }
143 
148  virtual void setInput(const algorithms::Input *other) DAAL_C11_OVERRIDE
149  {
150  const InputType *inputPtr = static_cast<const InputType *>(other);
151  input.set(predictedLabels, inputPtr->get(predictedLabels));
152  input.set(groundTruthLabels, inputPtr->get(groundTruthLabels));
153  }
154 
160  services::SharedPtr<Batch<algorithmFPType, method> > clone() const
161  {
162  return services::SharedPtr<Batch<algorithmFPType, method> >(cloneImpl());
163  }
164 
165 protected:
166  virtual Batch<algorithmFPType, method> * cloneImpl() const DAAL_C11_OVERRIDE
167  {
168  return new Batch<algorithmFPType, method>(*this);
169  }
170 
171  virtual services::Status allocateResult() DAAL_C11_OVERRIDE
172  {
173  services::Status s = _result->allocate<algorithmFPType>(&input, &parameter, (int) method);
174  _res = _result.get();
175  return s;
176  }
177 
178  virtual algorithms::ResultPtr getResultImpl() const DAAL_C11_OVERRIDE
179  {
180  return _result;
181  }
182 
183  void initialize()
184  {
185  Analysis<batch>::_ac = new __DAAL_ALGORITHM_CONTAINER(batch, BatchContainer, algorithmFPType, method)(&_env);
186  _in = &input;
187  _par = &parameter;
188  _result.reset(new ResultType());
189  }
190 
191 private:
192  ResultPtr _result;
193 };
195 } // namespace interface1
196 using interface1::BatchContainer;
197 using interface1::Batch;
198 
199 }
200 }
201 }
202 }
203 }
204 #endif
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::setInput
virtual void setInput(const algorithms::Input *other) DAAL_C11_OVERRIDE
Definition: multiclass_confusion_matrix_batch.h:148
daal::batch
Definition: daal_defines.h:112
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::input
InputType input
Definition: multiclass_confusion_matrix_batch.h:94
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::Batch
Batch(const Batch< algorithmFPType, method > &other)
Definition: multiclass_confusion_matrix_batch.h:112
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::getMethod
virtual int getMethod() const DAAL_C11_OVERRIDE
Definition: multiclass_confusion_matrix_batch.h:121
daal::services::ErrorNullResult
Definition: error_indexes.h:98
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::Batch
Batch(size_t nClasses=2)
Definition: multiclass_confusion_matrix_batch.h:101
daal::algorithms::AnalysisContainerIface
Abstract interface class that provides virtual methods to access and run implementations of the analy...
Definition: analysis.h:55
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::BatchContainer::compute
virtual services::Status compute() DAAL_C11_OVERRIDE
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::BatchContainer::~BatchContainer
virtual ~BatchContainer()
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch
Computes the confusion matrix for a multi-class classifier in the batch processing mode...
Definition: multiclass_confusion_matrix_batch.h:87
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::clone
services::SharedPtr< Batch< algorithmFPType, method > > clone() const
Definition: multiclass_confusion_matrix_batch.h:160
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::getResult
ResultPtr getResult() const
Definition: multiclass_confusion_matrix_batch.h:127
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::parameter
ParameterType parameter
Definition: multiclass_confusion_matrix_batch.h:95
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::groundTruthLabels
Definition: multiclass_confusion_matrix_types.h:68
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::predictedLabels
Definition: multiclass_confusion_matrix_types.h:67
daal::algorithms::Analysis
Provides methods for execution of operations over data, such as computation of Summary Statistics est...
Definition: analysis.h:70
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::BatchContainer
Class containing methods to compute the confusion matrix for the multi-class classifier.
Definition: multiclass_confusion_matrix_batch.h:56
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::Batch::setResult
services::Status setResult(const ResultPtr &result)
Definition: multiclass_confusion_matrix_batch.h:136
daal::algorithms::classifier::quality_metric::multiclass_confusion_matrix::interface1::BatchContainer::BatchContainer
BatchContainer(daal::services::Environment::env *daalEnv)

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