C# Класс Accord.MachineLearning.RouletteWheelExploration

Roulette wheel exploration policy.

The class implements roulette whell exploration policy. Acording to the policy, action a at state s is selected with the next probability:

Q( s, a ) p( s, a ) = ------------------ SUM( Q( s, b ) ) b

where Q(s, a) is action's a estimation (usefulness) at state s.

The exploration policy may be applied only in cases, when action estimates (usefulness) are represented with positive value greater then 0.

Наследование: IExplorationPolicy
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Открытые методы

Метод Описание
ChooseAction ( double actionEstimates ) : int

Choose an action.

The method chooses an action depending on the provided estimates. The estimates can be any sort of estimate, which values usefulness of the action (expected summary reward, discounted reward, etc).

RouletteWheelExploration ( ) : System

Initializes a new instance of the RouletteWheelExploration class.

Описание методов

ChooseAction() публичный Метод

Choose an action.
The method chooses an action depending on the provided estimates. The estimates can be any sort of estimate, which values usefulness of the action (expected summary reward, discounted reward, etc).
public ChooseAction ( double actionEstimates ) : int
actionEstimates double Action estimates.
Результат int

RouletteWheelExploration() публичный Метод

Initializes a new instance of the RouletteWheelExploration class.
public RouletteWheelExploration ( ) : System
Результат System