CoopSim  A Computer Simulation of the Evolution of Cooperation. User's Manual

6.3 Simulation Menu
6.3.1 New Simulation
Invokes the setup dialog for setting up a new simulation. In the setupdialog
the set of strategies that take part in the tournament can be selected,
and the payoff parameters T (tempation of cheating), R (reward for
cooperation), P (punishment for mutual non cooperation), S (sucker's
payoff) and the parameters Noise, Correlation, Background noise can
be adjusted. The latter three of these parameters can be assigned percentage
values from 0 to 100 percent. Noise specifies the in game noise that
is a random probability with which the move of a player is turned into
its opposite. Correlation determines how often players meet with players
of their own kind. It ranges from totally random (= 0 %) to the closest
possible correlation when only players of the same type meet (= 100
%). (Try a tournament between DOVE and HAWK and change this parameter
in steps of 10 % from 0 % to 50 %. What can you observe?) Background
noise specifies an evolutionary background noise meaning that reproduction
does depend on the fitness plus/minus a certain random factor.



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