Player: Player Class
In swarm-lab/axelRod: Axelrod Tournament

Player

R6Class object.

R6Class object with methods for a player in an Axelrod-like tournament.

name

A character string giving the name of the player.

strat

A function implementing the strategy of the player. This function must take 2 arguments:

opponent: A character string giving the name of the opponent.
memory: A data frame with 5 columns named "round", "play", "opponent", "opponent_play", and "score" (see memory field below).

memory

A 5-column data frame, with the following columns:

round: Numerical value indicating the round of the tournament at which the data was collected.
play: A character string indicating the play ("C" for cooperate or "D" for defect) played by the player at each round.
opponent: A character string indicating the name of the opponent at each round.
opponent_play: A character string indicating the play ("C" for cooperate or "D" for defect) played by the opponent at each round.
score: A numerical value indicating the payoff received by the player at each round.

new(type, players, nreps, nrounds, payoff)

Create an object of clase Tournament.

name

A character string indicating the name of the player. If not provided, a random name is generated by the function.

strat

A function implementing the strategy of the player. This function must take 2 arguments:

opponent: A character string giving the name of the opponent.
memory: A data frame with 5 columns named "round", "play", "opponent", "opponent_play", and "score" (see memory field above).

mem_size

A numerical value indicating the size of the player's memory (default: 100).

play(opponent)

Play a tournament round.

update(play, opponent, opponent_play, score)

Update the player's memory.

play: The play of the player in the current round ("C" for cooperate; "D" for defect).
opponent: A character string indicating the name of the opponent.
opponent_play: The play of the opponent in the current round ("C" for cooperate; "D" for defect).
score: A numerical value indicating the payoff received at the current round.
opponent_score: A numerical value indicating the payoff received by the opponent at the current round.

reset()