org.apache.flink.ml.common.statistics.basicstatistic

类 MultivariateGaussian

java.lang.Object

org.apache.flink.ml.common.statistics.basicstatistic.MultivariateGaussian

public class MultivariateGaussian
extends Object

This class provides basic functionality for a Multivariate Gaussian (Normal) Distribution.

构造器概要

构造器

构造器和说明
MultivariateGaussian(DenseVector mean, DenseMatrix cov) The constructor.

方法概要

限定符和类型	方法和说明
double	logpdf(Vector x) Returns the log-density of this multivariate Gaussian at given point x .
double	pdf(Vector x) Returns density of this multivariate Gaussian at given point x .

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

MultivariateGaussian

public MultivariateGaussian(DenseVector mean,
                            DenseMatrix cov)

The constructor.

参数:

mean - The mean vector of the distribution.

cov - The covariance matrix of the distribution.

方法详细资料

pdf

public double pdf(Vector x)

Returns density of this multivariate Gaussian at given point x .

logpdf

public double logpdf(Vector x)

Returns the log-density of this multivariate Gaussian at given point x .