posterior

Documentation

Index

• type ClassCases
• type Likelihoods
• type Odds

Types

type ClassCases

type ClassCases map[ft.Class]int

ClassCases is the number of cases per each class. They are used for the final calculation of the prior odds.

type Likelihoods

type Likelihoods map[ft.Class]map[ft.Feature]float64

Likelihoods are the odds for each feachure for every class. The multiplication product of all odds is the final odds for a class.

type Odds

type Odds struct {
	// ClassOdds provide odds for each class.
	ClassOdds map[ft.Class]float64

	// MaxClass is the class with the best odds.
	MaxClass ft.Class

	// MaxOdds is the odds of the MaxClass
	MaxOdds float64

	ClassCases
	Likelihoods
}

Odds are calculated posterior odds to classify an entity according to all the used features it contains.

MaxOdds provides the best odds calculated for an entity and MaxClass provide the category with the best odds. This class is the desired classification result.