Class StandardDeviationFunction

All Implemented Interfaces:
Expression, Function, FunctionExpression, Factory

public class StandardDeviationFunction extends ClassificationFunction
Breaks a SimpleFeatureCollection into classes using the standard deviation classification method.
Author:
Cory Horner, Refractions Research Inc.
  • Field Details

  • Constructor Details

    • StandardDeviationFunction

      public StandardDeviationFunction()
  • Method Details

    • evaluate

      public Object evaluate(Object feature)
      Description copied from class: ExpressionAbstract
      Subclass should override, default implementation returns null.
      Specified by:
      evaluate in interface Expression
      Specified by:
      evaluate in class ClassificationFunction
      Returns:
      default implementation returns null
    • computePercentage

      protected void computePercentage(double[] percentages, double classMembers, double totalSize, int index)
      Description copied from class: ClassificationFunction
      Compute the percentage from the input parameters, setting in the percentages array at the specified index
      Overrides:
      computePercentage in class ClassificationFunction
    • percentages

      protected boolean percentages()