| Name | Description | Type | Package | Framework |
| AbstractStorelessUnivariateStatistic | Abstract implementation of the StorelessUnivariateStatistic interface. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| AbstractUnivariateStatistic | Abstract base class for all implementations of the UnivariateStatistic interface. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| AggregateSummaryStatistics | An aggregator for SummaryStatistics from several data sets or data set partitions. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| DescriptiveStatistics | Maintains a dataset of values of a single variable and computes descriptive statistics based on stored data. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| GeometricMean | geometric mean of the available values. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| Kurtosis | Computes the Kurtosis of the available values. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| Max | Returns the maximum of the available values. | Class | org.apache.commons.math3.stat.descriptive.rank | Apache Commons |
| Mean | Computes the arithmetic mean of a set of values. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| Median | Returns the median of the available values. | Class | org.apache.commons.math3.stat.descriptive.rank | Apache Commons |
| Min | Returns the minimum of the available values. | Class | org.apache.commons.math3.stat.descriptive.rank | Apache Commons |
| MultivariateSummaryStatistics | Computes summary statistics for a stream of n-tuples added using the addValue method. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| Percentile | Provides percentile computation. | Class | org.apache.commons.math3.stat.descriptive.rank | Apache Commons |
| Percentile .EstimationType | An enum for various estimation strategies of a percentile referred in wikipedia on quantile | Class | org.apache.commons.math3.stat.descriptive.rank.Percentile | Apache Commons |
| Product | Returns the product of the available values. | Class | org.apache.commons.math3.stat.descriptive.summary | Apache Commons |
| PSquarePercentile | A StorelessUnivariateStatistic estimating percentiles using the Algorithm as explained by Raj | Class | org.apache.commons.math3.stat.descriptive.rank | Apache Commons |
| PSquarePercentile .PSquareMarkers | An interface that encapsulates abstractions of the P-square algorithm markers as is explained in the original works. | Interface | org.apache.commons.math3.stat.descriptive.rank.PSquarePercentile | Apache Commons |
| SecondMoment | Computes a statistic related to the Second Central Moment. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| SemiVariance | Computes the semivariance of a set of values with respect to a given cutoff value. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| SemiVariance .Direction | The direction of the semivariance - either upside or downside. | Class | org.apache.commons.math3.stat.descriptive.moment.SemiVariance | Apache Commons |
| Skewness | Computes the skewness of the available values. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| StandardDeviation | Computes the sample standard deviation. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| StatisticalMultivariateSummary | Reporting interface for basic multivariate statistics. | Interface | org.apache.commons.math3.stat.descriptive | Apache Commons |
| StatisticalSummary | Reporting interface for basic univariate statistics. | Interface | org.apache.commons.math3.stat.descriptive | Apache Commons |
| StatisticalSummaryValues | Value object representing the results of a univariate statistical summary. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| StorelessUnivariateStatistic | increment(double) and incrementAll(double[]) methods for adding values and updating internal state. | Interface | org.apache.commons.math3.stat.descriptive | Apache Commons |
| Sum | Returns the sum of the available values. | Class | org.apache.commons.math3.stat.descriptive.summary | Apache Commons |
| SummaryStatistics | Computes summary statistics for a stream of data values added using the addValue method. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| SumOfLogs | Returns the sum of the natural logs for this collection of values. | Class | org.apache.commons.math3.stat.descriptive.summary | Apache Commons |
| SumOfSquares | Returns the sum of the squares of the available values. | Class | org.apache.commons.math3.stat.descriptive.summary | Apache Commons |
| SynchronizedDescriptiveStatistics | DescriptiveStatistics that is safe to use in a multithreaded environment. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| SynchronizedMultivariateSummaryStatistics | MultivariateSummaryStatistics that is safe to use in a multithreaded environment. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| SynchronizedSummaryStatistics | SummaryStatistics that is safe to use in a multithreaded environment. | Class | org.apache.commons.math3.stat.descriptive | Apache Commons |
| UnivariateStatistic | Base interface implemented by all statistics. | Interface | org.apache.commons.math3.stat.descriptive | Apache Commons |
| Variance | Computes the variance of the available values. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| VectorialCovariance | Returns the covariance matrix of the available vectors. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| VectorialMean | Returns the arithmetic mean of the available vectors. | Class | org.apache.commons.math3.stat.descriptive.moment | Apache Commons |
| WeightedEvaluation | Weighted evaluation for statistics. | Interface | org.apache.commons.math3.stat.descriptive | Apache Commons |