Class VarianceCalculator

java.lang.Object
com.kingsrook.qqq.backend.core.utils.aggregates.VarianceCalculator
public class VarianceCalculator extends Object
see https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Welford's_online_algorithm

  • Field Details

    • scaleForVarianceCalculations

      public static int scaleForVarianceCalculations

  • Constructor Details

    • VarianceCalculator

      public VarianceCalculator()

  • Method Details

    • updateVariance

      public void updateVariance(BigDecimal newInput)

    • getVariance

      public BigDecimal getVariance()

    • getVarP

      public BigDecimal getVarP()

    • getStandardDeviation

      public BigDecimal getStandardDeviation()

    • getStdDevP

      public BigDecimal getStdDevP()