main/cpp/ByLabel_8hpp_source.html

#pragma once


#include "models/strategies/grouping/Grouping.hpp"

#include "models/strategies/Strategy.hpp"


namespace ppforest2::grouping {


  class ByLabel : public Grouping {

  public:

    static Grouping::Ptr from_json(nlohmann::json const& j);


    nlohmann::json to_json() const override;

    std::string display_name() const override { return "By label"; }

    std::set<types::Mode> supported_modes() const override { return {types::Mode::Classification}; }


    PPFOREST2_REGISTER_STRATEGY(Grouping, "by_label")


  protected:

    stats::GroupPartition compute_init(types::OutcomeVector const& y) const override;


    void compute(NodeContext& ctx, stats::RNG& rng) const override;

  };


}

Grouping.hpp

Strategy.hpp

PPFOREST2_REGISTER_STRATEGY
#define PPFOREST2_REGISTER_STRATEGY(StrategyBase, name)
Auto-registration macro for strategy factories.
Definition Strategy.hpp:185

Strategy< Grouping >::Ptr
std::shared_ptr< Grouping > Ptr
Definition Strategy.hpp:95

ppforest2::grouping::ByLabel
Label-based grouping: create partitions from sorted class labels.
Definition ByLabel.hpp:17

ppforest2::grouping::ByLabel::to_json
nlohmann::json to_json() const override
Serialize this strategy's configuration to JSON.

ppforest2::grouping::ByLabel::supported_modes
std::set< types::Mode > supported_modes() const override
Training modes this strategy supports.
Definition ByLabel.hpp:23

ppforest2::grouping::ByLabel::display_name
std::string display_name() const override
Human-readable name for display in summaries.
Definition ByLabel.hpp:22

ppforest2::grouping::ByLabel::from_json
static Grouping::Ptr from_json(nlohmann::json const &j)

ppforest2::grouping::ByLabel::compute_init
stats::GroupPartition compute_init(types::OutcomeVector const &y) const override
Create a GroupPartition from sorted integer-valued labels.

ppforest2::grouping::ByLabel::compute
void compute(NodeContext &ctx, stats::RNG &rng) const override
Subclass implementation of per-node splitting.

ppforest2::grouping::Grouping
Abstract strategy for managing group partitions.
Definition Grouping.hpp:31

ppforest2::grouping
Definition ByCutpoint.hpp:6

ppforest2::stats
Statistical infrastructure for training and evaluation.
Definition ConfusionMatrix.hpp:11

ppforest2::types
Core numeric type aliases for the ppforest2 library.
Definition Types.hpp:22

ppforest2::types::Mode::Classification
@ Classification
Definition Types.hpp:58

ppforest2::NodeContext
Mutable context accumulating intermediate results during node training.
Definition NodeContext.hpp:20