ConfidenceInterval
org.apache.commons.math3.stat.inference

Class ConfidenceInterval



  • public class ConfidenceIntervalextends Object
    Represents an interval estimate of a population parameter.
    • Constructor Detail

      • ConfidenceInterval

        public ConfidenceInterval(double lowerBound,                  double upperBound,                  double confidenceLevel)
        Create a confidence interval with the given bounds and confidence level.

        Preconditions:

        • lower must be strictly less than upper
        • confidenceLevel must be strictly between 0 and 1 (exclusive)

        Parameters:
        lowerBound - lower endpoint of the interval
        upperBound - upper endpoint of the interval
        confidenceLevel - coverage probability
        Throws:
        MathIllegalArgumentException - if the preconditions are not met
    • Method Detail

      • getLowerBound

        public double getLowerBound()
        Returns:
        the lower endpoint of the interval
      • getUpperBound

        public double getUpperBound()
        Returns:
        the upper endpoint of the interval
      • getConfidenceLevel

        public double getConfidenceLevel()
        Returns:
        the asserted probability that the interval contains the population parameter
      • toString

        public String toString()
        Overrides:
        toString in class Object
        Returns:
        String representation of the confidence interval

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