java.lang.Object
- org.apache.solr.search.facet.AggUtil

```
public class AggUtil
extends Object
```

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static double`	`avg(double sum, long count)`	Computes and returns average for given sum and count
`static double`	`stdDev(double sumSq, double sum, long count)`	Computes and returns corrected standard deviation for given values
`static double`	`uncorrectedStdDev(double sumSq, double sum, long count)`	Computes and returns uncorrected standard deviation for given values
`static double`	`uncorrectedVariance(double sumSq, double sum, long count)`	Computes and returns uncorrected variance for given values
`static double`	`variance(double sumSq, double sum, long count)`	Computes and returns corrected variance for given values

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

avg

public static double avg(double sum,
                         long count)

Computes and returns average for given sum and count

uncorrectedStdDev

public static double uncorrectedStdDev(double sumSq,
                                       double sum,
                                       long count)

Computes and returns uncorrected standard deviation for given values

stdDev

public static double stdDev(double sumSq,
                            double sum,
                            long count)

Computes and returns corrected standard deviation for given values

uncorrectedVariance

public static double uncorrectedVariance(double sumSq,
                                         double sum,
                                         long count)

Computes and returns uncorrected variance for given values

variance

public static double variance(double sumSq,
                              double sum,
                              long count)

Computes and returns corrected variance for given values

Class AggUtil