32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
|
#
|
||
|
|
# Licensed to the Apache Software Foundation (ASF) under one or more
|
||
|
|
# contributor license agreements. See the NOTICE file distributed with
|
||
|
|
# this work for additional information regarding copyright ownership.
|
||
|
|
# The ASF licenses this file to You 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
|
||
|
|
#
|
||
|
|
# 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.
|
||
|
|
#
|
||
|
|
|
||
|
|
from collections import namedtuple
|
||
|
|
|
||
|
|
__all__ = ['MultivariateGaussian']
|
||
|
|
|
||
|
|
|
||
|
|
class MultivariateGaussian(namedtuple('MultivariateGaussian', ['mu', 'sigma'])):
|
||
|
|
|
||
|
|
""" Represents a (mu, sigma) tuple
|
||
|
|
>>> m = MultivariateGaussian(Vectors.dense([11,12]),DenseMatrix(2, 2, (1.0, 3.0, 5.0, 2.0)))
|
||
|
|
>>> (m.mu, m.sigma.toArray())
|
||
|
|
(DenseVector([11.0, 12.0]), array([[ 1., 5.],[ 3., 2.]]))
|
||
|
|
>>> (m[0], m[1])
|
||
|
|
(DenseVector([11.0, 12.0]), array([[ 1., 5.],[ 3., 2.]]))
|
||
|
|
"""
|