Source code for spynnaker.pyNN.utilities.random_stats.random_stats_scipy_impl
# Copyright (c) 2017 The University of Manchester
#
# 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
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# 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.
# See the License for the specific language governing permissions and
# limitations under the License.
import scipy.stats
from spynnaker.pyNN.utilities.random_stats import AbstractRandomStats
class RandomStatsScipyImpl(AbstractRandomStats):
"""
A Random Statistics object that uses scipy directly.
"""
def __init__(self, distribution_type):
self._scipy_stats = getattr(scipy.stats, distribution_type)
[docs]
def cdf(self, dist, v):
return self._scipy_stats.cdf(v, *dist.parameters)
[docs]
def ppf(self, dist, p):
return self._scipy_stats.ppf(p, *dist.parameters)
[docs]
def mean(self, dist):
return self._scipy_stats.mean(*dist.parameters)
[docs]
def std(self, dist):
return self._scipy_stats.std(*dist.parameters)
[docs]
def var(self, dist):
return self._scipy_stats.var(*dist.parameters)
[docs]
def high(self, distribution):
if "high" in distribution.parameters:
return distribution.parameters['high']
return None
[docs]
def low(self, distribution):
if "low" in distribution.parameters:
return distribution.parameters['low']
return None