Package org.apache.commons.math3.fitting

Class GaussianCurveFitter.ParameterGuesser

  • Enclosing class:
    GaussianCurveFitter
    public static class GaussianCurveFitter.ParameterGuesser
extends java.lang.Object
    Guesses the parameters norm, mean, and sigma of a Gaussian.Parametric based on the specified observed points.

    • Constructor Summary

      Constructors 
      Constructor Description
      ParameterGuesser​(java.util.Collection<WeightedObservedPoint> observations)
      Constructs instance with the specified observed points.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      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 Detail

      • ParameterGuesser

        public ParameterGuesser​(java.util.Collection<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 Detail

      • guess

        public double[] guess()
        Gets an estimation of the parameters.
        Returns:
        the guessed parameters, in the following order:
        • Normalization factor
        • Mean
        • Standard deviation