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hub / github.com/antmachineintelligence/mtgbmcode / CopyFeatureMapperFrom

Method CopyFeatureMapperFrom

src/io/dataset.cpp:425–456  ·  view source on GitHub ↗

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423}
424
425void Dataset::CopyFeatureMapperFrom(const Dataset* dataset) {
426 feature_groups_.clear();
427 num_features_ = dataset->num_features_;
428 num_groups_ = dataset->num_groups_;
429 sparse_threshold_ = dataset->sparse_threshold_;
430 // copy feature bin mapper data
431 for (int i = 0; i < num_groups_; ++i) {
432 std::vector<std::unique_ptr<BinMapper>> bin_mappers;
433 for (int j = 0; j < dataset->feature_groups_[i]->num_feature_; ++j) {
434 bin_mappers.emplace_back(new BinMapper(*(dataset->feature_groups_[i]->bin_mappers_[j])));
435 }
436 feature_groups_.emplace_back(new FeatureGroup(
437 dataset->feature_groups_[i]->num_feature_,
438 &bin_mappers,
439 num_data_,
440 dataset->feature_groups_[i]->is_sparse_));
441 }
442 feature_groups_.shrink_to_fit();
443 used_feature_map_ = dataset->used_feature_map_;
444 num_total_features_ = dataset->num_total_features_;
445 feature_names_ = dataset->feature_names_;
446 label_idx_ = dataset->label_idx_;
447 real_feature_idx_ = dataset->real_feature_idx_;
448 feature2group_ = dataset->feature2group_;
449 feature2subfeature_ = dataset->feature2subfeature_;
450 group_bin_boundaries_ = dataset->group_bin_boundaries_;
451 group_feature_start_ = dataset->group_feature_start_;
452 group_feature_cnt_ = dataset->group_feature_cnt_;
453 monotone_types_ = dataset->monotone_types_;
454 feature_penalty_ = dataset->feature_penalty_;
455 forced_bin_bounds_ = dataset->forced_bin_bounds_;
456}
457
458void Dataset::CreateValid(const Dataset* dataset) {
459 feature_groups_.clear();

Callers 3

LGBM_DatasetGetSubsetFunction · 0.45
ResetBaggingConfigMethod · 0.45
ResetGossMethod · 0.45

Calls 2

clearMethod · 0.45
shrink_to_fitMethod · 0.45

Tested by

no test coverage detected