Source code for surrogate.selection.selRandom
# Copyright 2016 Quan Pan
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# limitations under the License.
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# Author: Quan Pan <quanpan302@hotmail.com>
# License: Apache License, Version 2.0
# Create: 2016-12-02
import random
[docs]def selRandom(individuals, k=1):
"""Select *k* individuals at random from the input *individuals* with
replacement. The list returned contains references to the input
*individuals*.
:param individuals: A list of individuals to select from.
:param k: The number of individuals to select.
:returns: A list of selected individuals.
This function uses the :func:`~random.choice` function from the
python base :mod:`random` module.
"""
return [random.choice(individuals) for i in xrange(k)]