Package org.apache.commons.math4.legacy.stat.descriptive.rank
Summary statistics based on ranks.

Interface Summary Interface Description PivotingStrategy A strategy to pick a pivoting index of an array for doing partitioning. 
Class Summary Class Description CentralPivotingStrategy A mid point strategy based on the average of begin and end indices.KthSelector A Simple K^{th} selector implementation to pick up the K^{th} ordered element from a work array containing the input numbers.Max Returns the maximum of the available values.Median Returns the median of the available values.MedianOf3PivotingStrategy Classic median of 3 strategy given begin and end indices.Min Returns the minimum of the available values.Percentile Provides percentile computation.PSquarePercentile AStorelessUnivariateStatistic
estimating percentiles using the P^{2} Algorithm as explained by Raj Jain and Imrich Chlamtac in P^{2} Algorithm for Dynamic Calculation of Quantiles and Histogram Without Storing Observations.RandomPivotingStrategy A strategy of selecting random index between begin and end indices. 
Enum Summary Enum Description Percentile.EstimationType An enum for various estimation strategies of a percentile referred in wikipedia on quantile with the names of enum matching those of types mentioned in wikipedia.