Computing and tracking cutpoints available for a given feature at a given node Store cutpoint bins in 0-indexed fashion, so that if a given node has. More...

#include <cutpoint_candidates.h>

Public Member Functions
void	CalculateStrides (Eigen::MatrixXd &covariates, Eigen::VectorXd &residuals, SortedNodeSampleTracker *feature_node_sort_tracker, int32_t node_id, data_size_t node_begin, data_size_t node_end, int32_t feature_index, std::vector< FeatureType > &feature_types)
	Calculate strides.

void	CalculateStridesNumeric (Eigen::MatrixXd &covariates, Eigen::VectorXd &residuals, SortedNodeSampleTracker *feature_node_sort_tracker, int32_t node_id, data_size_t node_begin, data_size_t node_end, int32_t feature_index)
	Split numeric / ordered categorical feature and update sort indices.

void	CalculateStridesOrderedCategorical (Eigen::MatrixXd &covariates, Eigen::VectorXd &residuals, SortedNodeSampleTracker *feature_node_sort_tracker, int32_t node_id, data_size_t node_begin, data_size_t node_end, int32_t feature_index)
	Split numeric / ordered categorical feature and update sort indices.

void	CalculateStridesUnorderedCategorical (Eigen::MatrixXd &covariates, Eigen::VectorXd &residuals, SortedNodeSampleTracker *feature_node_sort_tracker, int32_t node_id, data_size_t node_begin, data_size_t node_end, int32_t feature_index)
	Split unordered categorical feature and update sort indices.

int32_t	NumCutpoints ()
	Number of potential cutpoints enumerated.

int32_t	BinStartIndex (int i)
	Beginning index of bin i.

int32_t	BinLength (int i)
	Size of bin i.

int32_t	BinEndIndex (int i)
	Beginning index of bin i.

double	CutpointValue (int i)
	Value of the upper-bound (cutpoint) implied by bin i.

std::vector< std::uint32_t >	CutpointVector (int i)
	Vector of cutpoint values up to and including bin i Helper function for converting categorical split "value" (as outlined in Fisher 1958) to a set of categories.

Detailed Description

Computing and tracking cutpoints available for a given feature at a given node Store cutpoint bins in 0-indexed fashion, so that if a given node has.

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

include/stochtree/cutpoint_candidates.h

Public Member Functions

Detailed Description