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Module Evolife.Ecology.Population:
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EVOLIFE: Module Population:
A population is a set of semi-permeable groups
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Class Population:
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class Population: list of Groups
Minimal version
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Method Population.__init__:
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Creation of the groups - calls createGroup
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Arguments:
. Scenario
. Observer
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Method Population.createGroup:
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Calls class ‘Group’
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Arguments:
. ID
. Size
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Method Population.selectIndividual:
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random selection of an individual in the population
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Method Population.lottery:
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random selection of an individual by number in the population
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Method Population.season:
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increments ‘year’ and calls Oberver’s season and groups’ season
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Method Population.migration:
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migration between groups of some percentage of individuals
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Method Population.group_splitting:
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groups that are too big are split in two,
and groups that are too small are dispersed
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Method Population.limit:
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randomly kills individuals until size is reached
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Method Population.update:
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updates groups and looks for empty groups
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Arguments:
. flagRanking
. display
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Method Population.statistics:
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Updates statistics about the population
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Arguments:
. Complete
. Display
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Method Population.one_year:
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One year of life.
Calls ‘limit’, ‘migration’, ‘group_splitting’, ‘season’, ‘statistics’
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Method Population.members:
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iterates over all individuals in the population
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Method Population.display:
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calling ‘display’ for all individuals in the population
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Class EvolifePopulation: inherits from Evolife.Ecology.Population.Population
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Population + reproduction + call to Scenario life_game
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Method EvolifePopulation.__init__:
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Creation of groups
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Arguments:
. Scenario
. Evolife_Obs
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Method EvolifePopulation.createGroup:
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This version of ‘createGroup’ calls the ‘EvolifeGroup’ class instead of the ‘Group’ class
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Arguments:
. ID
. Size
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Method EvolifePopulation.reproduction:
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launches reproduction in groups
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Method EvolifePopulation.life_game:
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Calls local ‘life_game’ in groups
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Method EvolifePopulation.one_year:
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Population’s ‘one_year’ + calls to ‘reproduction’ and ‘life_game’
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