Cosan::GridSearchMultiParallel< NumericType, Model, Metric, Split > Class Template Reference

#include <gridsearch.h>

Inheritance diagram for Cosan::GridSearchMultiParallel< NumericType, Model, Metric, Split >:

Public Member Functions
	GridSearchMultiParallel ()=delete
	GridSearchMultiParallel (CosanData< NumericType > &CRD, Model &estimator, Metric &metric, Split &split, const std::vector< std::vector< NumericType >> &paramGrid, int nthreads=-1)
auto	GetBestParams ()
Public Member Functions inherited from Cosan::Search
	Search ()
Public Member Functions inherited from Cosan::Selection
	Selection ()
Public Member Functions inherited from Cosan::CosanBO
	CosanBO ()
	Default constructor. More...
virtual const std::string	GetName () const
	Get the name of the objects. More...

Private Attributes
std::vector< NumericType >	bestParam

Detailed Description

template<Numeric NumericType, Derived< CosanModel > Model, Derived< CosanMetric< NumericType >> Metric, Derived< Splitter > Split>
class Cosan::GridSearchMultiParallel< NumericType, Model, Metric, Split >

Definition at line 154 of file gridsearch.h.

Constructor & Destructor Documentation

GridSearchMultiParallel() [1/2]

template<Numeric NumericType, Derived< CosanModel > Model, Derived< CosanMetric< NumericType >> Metric, Derived< Splitter > Split>

Cosan::GridSearchMultiParallel< NumericType, Model, Metric, Split >::GridSearchMultiParallel ( )

delete

GridSearchMultiParallel() [2/2]

template<Numeric NumericType, Derived< CosanModel > Model, Derived< CosanMetric< NumericType >> Metric, Derived< Splitter > Split>

Cosan::GridSearchMultiParallel< NumericType, Model, Metric, Split >::GridSearchMultiParallel ( CosanData< NumericType > &  CRD, Model &  estimator, Metric &  metric, Split &  split, const std::vector< std::vector< NumericType >> &  paramGrid, int  nthreads = -1  )

inline

Definition at line 162 of file gridsearch.h.

                                            : Search() {
            NumericType minError = std::numeric_limits<NumericType>::infinity();
            std::vector<NumericType> allError(paramGrid.size());
            if (nthreads == -1){
                omp_set_num_threads(omp_get_max_threads());
            }
            else{
                omp_set_num_threads(nthreads);
            }
            #pragma omp parallel for
            for (gsl::index i = 0; i < paramGrid.size(); ++i){
                estimator.SetParams(paramGrid[i]);
                allError[i] = crossValidation(CRD, estimator, metric, split);
            }
            bestParam =paramGrid[std::distance(allError.begin(), std::min_element(allError.begin(), allError.end()))];
        }

Member Function Documentation

GetBestParams()

template<Numeric NumericType, Derived< CosanModel > Model, Derived< CosanMetric< NumericType >> Metric, Derived< Splitter > Split>

auto Cosan::GridSearchMultiParallel< NumericType, Model, Metric, Split >::GetBestParams ( )

inline

Definition at line 183 of file gridsearch.h.

{return bestParam;}

Member Data Documentation

bestParam

template<Numeric NumericType, Derived< CosanModel > Model, Derived< CosanMetric< NumericType >> Metric, Derived< Splitter > Split>

std::vector<NumericType> Cosan::GridSearchMultiParallel< NumericType, Model, Metric, Split >::bestParam

private

Definition at line 186 of file gridsearch.h.

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The documentation for this class was generated from the following file:

• cosan/selection/gridsearch.h