GaussianFitter.ParameterGuesser (Apache Commons Math 3.6.1 API)

java.lang.Object

org.apache.commons.math3.optimization.fitting.GaussianFitter.ParameterGuesser

Enclosing class:: GaussianFitter

public static class GaussianFitter.ParameterGuesser extends Object

Guesses the parameters norm, mean, and sigma of a Gaussian.Parametric based on the specified observed points.

Constructor Summary

Constructors

Constructor

Description

ParameterGuesser(WeightedObservedPoint[] observations)

Constructs instance with the specified observed points.
Method Summary

Modifier and Type

Method

Description

double[]

guess()

Gets an estimation of the parameters.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- ParameterGuesser
  
  public ParameterGuesser(WeightedObservedPoint[] observations)
  
  Constructs instance with the specified observed points.
  
  Parameters:
  
  observations - Observed points from which to guess the parameters of the Gaussian.
  
  Throws:
  
  NullArgumentException - if observations is null.
  
  NumberIsTooSmallException - if there are less than 3 observations.
Method Details
- guess
  
  public double[] guess()
  
  Gets an estimation of the parameters.
  Returns:
  
  the guessed parameters, in the following order:
  
  Normalization factor
  
  Mean
  
  Standard deviation