| 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. 
 | 
| Modifier and Type | Class | Description | 
|---|---|---|
class  | 
AbstractStorelessUnivariateStatistic | 
 Abstract base class for implementations of the
  
StorelessUnivariateStatistic interface. | 
| Modifier and Type | Method | Description | 
|---|---|---|
abstract StorelessUnivariateStatistic | 
AbstractStorelessUnivariateStatistic.copy() | 
 Returns a copy of the statistic with the same internal state. 
 | 
StorelessUnivariateStatistic | 
StorelessUnivariateStatistic.copy() | 
 Returns a copy of the statistic with the same internal state. 
 | 
| Modifier and Type | Class | Description | 
|---|---|---|
class  | 
GeometricMean | 
 Returns the 
 geometric mean  of the available values. 
 | 
class  | 
Kurtosis | 
 Computes the Kurtosis of the available values. 
 | 
class  | 
Mean | 
 Computes the arithmetic mean of a set of values. 
 | 
class  | 
SecondMoment | 
 Computes a statistic related to the Second Central Moment. 
 | 
class  | 
Skewness | 
 Computes the skewness of the available values. 
 | 
class  | 
StandardDeviation | 
 Computes the sample standard deviation. 
 | 
class  | 
Variance | 
 Computes the variance of the available values. 
 | 
| Modifier and Type | Class | Description | 
|---|---|---|
class  | 
Max | 
 Returns the maximum of the available values. 
 | 
class  | 
Min | 
 Returns the minimum of the available values. 
 | 
class  | 
PSquarePercentile | 
 A  
StorelessUnivariateStatistic estimating percentiles using the
 P2
 Algorithm as explained by Raj
 Jain and Imrich Chlamtac in
 P2 Algorithm
 for Dynamic Calculation of Quantiles and Histogram Without Storing
 Observations. | 
class  | 
RandomPercentile | 
 A  
StorelessUnivariateStatistic estimating percentiles using the
 RANDOM
 Algorithm. | 
| Modifier and Type | Class | Description | 
|---|---|---|
class  | 
Product | 
 Returns the product of the available values. 
 | 
class  | 
Sum | 
 Returns the sum of the available values. 
 | 
class  | 
SumOfLogs | 
 Returns the sum of the natural logs for this collection of values. 
 | 
class  | 
SumOfSquares | 
 Returns the sum of the squares of the available values. 
 | 
| Constructor | Description | 
|---|---|
VectorialStorelessStatistic(int dimension,
                           StorelessUnivariateStatistic univariateStatistic) | 
 Create a new VectorialStorelessStatistic with the given dimension
 and statistic implementation. 
 | 
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