Coverage for pyspark/mllib/stat/distribution.py : 100%

# 

# 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 

# 

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# 

from collections import namedtuple 

__all__ = ['MultivariateGaussian'] 

class MultivariateGaussian(namedtuple('MultivariateGaussian', ['mu', 'sigma'])): 

"""Represents a (mu, sigma) tuple 

Examples 

-------- 

>>> 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.]])) 

"""