cross_validation.h

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// SPDX-License-Identifier: AGPL-3.0-only
// Copyright (C) 2026 Artificial Intelligence Techniques, S.L. and Roberto López González
 
#pragma once
 
#include "opennn/core/opennn_types.h"
 
namespace opennn
{
 
class Training;
 
struct FoldEvaluation
{
    float validation_error = 0.0f;
    float training_error = 0.0f;
    Index epochs = 0;
};
 
vector<vector<Index>> build_fold_partition(Training* training,
                                           Index folds_number,
                                           Index folds_seed = 0);
 
FoldEvaluation evaluate_folds(Training* training,
                              const vector<vector<Index>>& fold_partition);
 
void refit_final_model_on_development(Training* training,
                                      Index folds_number,
                                      Index folds_seed = 0);
 
}