| Package | Description | 
|---|---|
| org.apache.commons.math3.stat.descriptive.moment | Summary statistics based on moments. | 
| Modifier and Type | Field and Description | 
|---|---|
| static SemiVariance.Direction | SemiVariance. DOWNSIDE_VARIANCEThe DOWNSIDE Direction is used to specify that the observations below
 the cutoff point will be used to calculate SemiVariance | 
| static SemiVariance.Direction | SemiVariance. UPSIDE_VARIANCEThe UPSIDE Direction is used to specify that the observations above the
 cutoff point will be used to calculate SemiVariance. | 
| Modifier and Type | Method and Description | 
|---|---|
| SemiVariance.Direction | SemiVariance. getVarianceDirection()Returns the varianceDirection property. | 
| static SemiVariance.Direction | SemiVariance.Direction. valueOf(String name)Returns the enum constant of this type with the specified name. | 
| static SemiVariance.Direction[] | SemiVariance.Direction. values()Returns an array containing the constants of this enum type, in
the order they are declared. | 
| Modifier and Type | Method and Description | 
|---|---|
| double | SemiVariance. evaluate(double[] values,
        double cutoff,
        SemiVariance.Direction direction)Returns the  SemiVarianceof the designated values against the cutoff in the
 given direction, using the current value of the biasCorrection instance property. | 
| double | SemiVariance. evaluate(double[] values,
        double cutoff,
        SemiVariance.Direction direction,
        boolean corrected,
        int start,
        int length)Returns the  SemiVarianceof the designated values against the cutoff
 in the given direction with the provided bias correction. | 
| double | SemiVariance. evaluate(double[] values,
        SemiVariance.Direction direction)This method calculates  SemiVariancefor the entire array against the mean, using
 the current value of the biasCorrection instance property. | 
| void | SemiVariance. setVarianceDirection(SemiVariance.Direction varianceDirection)Sets the variance direction | 
| Constructor and Description | 
|---|
| SemiVariance(boolean corrected,
            SemiVariance.Direction direction)Constructs a SemiVariance with the specified  isBiasCorrectedproperty and the specifiedDirectionproperty. | 
| SemiVariance(SemiVariance.Direction direction)Constructs a SemiVariance with the specified  Directionproperty
 and default (true)biasCorrectedproperty | 
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