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__all__ = ["MultivariateGaussian"]
from typing import NamedTuple
from pyspark.mllib.linalg import Matrix, Vector
[docs]class MultivariateGaussian(NamedTuple):
"""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.]]))
"""
mu: Vector
sigma: Matrix