pb

Documentation

Overview

parallel boosting

Index

• func Iterate(pr Problem, weights []float64, lr float64) error
• func LinearLoss(y float64, f Features, w []float64) float64
• func LogisticLoss(y float64, f Features, w []float64) float64
• func Risk(pr Problem, weights []float64, lf LossFunction) (out float64)
• type Features
• type LossFunction
• type Problem
  • func (p Problem) ObservationCount() int
  • func (p Problem) PredictorCount() int

Functions

func Iterate

func Iterate(pr Problem, weights []float64, lr float64) error

func LinearLoss

func LinearLoss(y float64, f Features, w []float64) float64

func LogisticLoss

func LogisticLoss(y float64, f Features, w []float64) float64

func Risk

func Risk(pr Problem, weights []float64, lf LossFunction) (out float64)

Types

type Features

type Features []float64

type LossFunction

type LossFunction func(y float64, f Features, w []float64) float64

type Problem

type Problem struct {
	Observations []Features
	Responses    []float64
}

func (Problem) ObservationCount

func (p Problem) ObservationCount() int

func (Problem) PredictorCount

func (p Problem) PredictorCount() int