| Package | Description | 
|---|---|
| org.hipparchus.stat.descriptive | Generic univariate and multivariate summary statistic objects. | 
| org.hipparchus.stat.descriptive.moment | Summary statistics based on moments. | 
| org.hipparchus.stat.descriptive.rank | Summary statistics based on ranks. | 
| org.hipparchus.stat.descriptive.summary | Other summary statistics. | 
| org.hipparchus.stat.descriptive.vector | Multivariate statistics. | 
| org.hipparchus.stat.fitting | Statistical methods for fitting distributions. | 
| org.hipparchus.stat.inference | Classes providing hypothesis testing. | 
| Class and Description | 
|---|
| AbstractUnivariateStatistic Abstract base class for implementations of the
  UnivariateStatisticinterface. | 
| AggregatableStatistic An interface for statistics that can aggregate results. | 
| DescriptiveStatistics Maintains a dataset of values of a single variable and computes descriptive
 statistics based on stored data. | 
| StatisticalMultivariateSummary Reporting interface for basic multivariate statistics. | 
| StatisticalSummary Reporting interface for basic univariate statistics. | 
| StorelessUnivariateStatistic Extends the definition of  UnivariateStatisticwithStorelessUnivariateStatistic.increment(double)andStorelessUnivariateStatistic.incrementAll(double[])methods for adding
 values and updating internal state. | 
| StreamingStatistics Computes summary statistics for a stream of data values added using the
  addValuemethod. | 
| StreamingStatistics.StreamingStatisticsBuilder Builder for StreamingStatistics instances. | 
| UnivariateStatistic Base interface implemented by all statistics. | 
| Class and Description | 
|---|
| AbstractStorelessUnivariateStatistic Abstract base class for implementations of the
  StorelessUnivariateStatisticinterface. | 
| AbstractUnivariateStatistic Abstract base class for implementations of the
  UnivariateStatisticinterface. | 
| AggregatableStatistic An interface for statistics that can aggregate results. | 
| StorelessUnivariateStatistic Extends the definition of  UnivariateStatisticwithStorelessUnivariateStatistic.increment(double)andStorelessUnivariateStatistic.incrementAll(double[])methods for adding
 values and updating internal state. | 
| UnivariateStatistic Base interface implemented by all statistics. | 
| WeightedEvaluation Weighted evaluation for statistics. | 
| Class and Description | 
|---|
| AbstractStorelessUnivariateStatistic Abstract base class for implementations of the
  StorelessUnivariateStatisticinterface. | 
| AbstractUnivariateStatistic Abstract base class for implementations of the
  UnivariateStatisticinterface. | 
| AggregatableStatistic An interface for statistics that can aggregate results. | 
| StorelessUnivariateStatistic Extends the definition of  UnivariateStatisticwithStorelessUnivariateStatistic.increment(double)andStorelessUnivariateStatistic.incrementAll(double[])methods for adding
 values and updating internal state. | 
| UnivariateStatistic Base interface implemented by all statistics. | 
| Class and Description | 
|---|
| AbstractStorelessUnivariateStatistic Abstract base class for implementations of the
  StorelessUnivariateStatisticinterface. | 
| AggregatableStatistic An interface for statistics that can aggregate results. | 
| StorelessUnivariateStatistic Extends the definition of  UnivariateStatisticwithStorelessUnivariateStatistic.increment(double)andStorelessUnivariateStatistic.incrementAll(double[])methods for adding
 values and updating internal state. | 
| UnivariateStatistic Base interface implemented by all statistics. | 
| WeightedEvaluation Weighted evaluation for statistics. | 
| Class and Description | 
|---|
| StorelessMultivariateStatistic Base interface implemented by storeless multivariate statistics. | 
| StorelessUnivariateStatistic Extends the definition of  UnivariateStatisticwithStorelessUnivariateStatistic.increment(double)andStorelessUnivariateStatistic.incrementAll(double[])methods for adding
 values and updating internal state. | 
| Class and Description | 
|---|
| StatisticalSummary Reporting interface for basic univariate statistics. | 
| StreamingStatistics Computes summary statistics for a stream of data values added using the
  addValuemethod. | 
| Class and Description | 
|---|
| StatisticalSummary Reporting interface for basic univariate statistics. | 
| StreamingStatistics Computes summary statistics for a stream of data values added using the
  addValuemethod. | 
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