egttools.behaviors.NormalForm.TwoActions.GradualTFT¶

class GradualTFT(self: egttools.numerical.numerical.behaviors.NormalForm.TwoActions.GradualTFT)¶

Bases: AbstractNFGStrategy

TFT with two differences: (1) it increases the string of punishing defection responses with each additional defection by its opponent (2) it apologizes for each string of defectionsby cooperating in the subsequent two rounds.

Methods

`get_action`	Returns an action in function of time_step round and the previous action action_prev of the opponent.
`is_stochastic`	Indicates whether the strategy is stochastic.
`type`	Returns a string indicating the Strategy Type.

__init__(self: egttools.numerical.numerical.behaviors.NormalForm.TwoActions.GradualTFT) → None¶: TFT with two differences: (1) it increases the string of punishing defection responses with each additional defection by its opponent (2) it apologizes for each string of defectionsby cooperating in the subsequent two rounds.

__new__(**kwargs)¶

get_action(self: egttools.numerical.numerical.behaviors.NormalForm.TwoActions.GradualTFT, time_step: int, action_prev: int) → int¶

Returns an action in function of time_step round and the previous action action_prev of the opponent.

Parameters

time_step (int) – Current round.
action_prev (int) – Previous action of the opponent.

Returns

The action selected by the strategy.

Return type

int

is_stochastic(self: egttools.numerical.numerical.behaviors.NormalForm.TwoActions.GradualTFT) → bool¶: Indicates whether the strategy is stochastic.

type(self: egttools.numerical.numerical.behaviors.NormalForm.TwoActions.GradualTFT) → str¶: Returns a string indicating the Strategy Type.