public class AggUtil extends Object
Modifier and Type | Method and 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
|
public static double avg(double sum, long count)
public static double uncorrectedStdDev(double sumSq, double sum, long count)
public static double stdDev(double sumSq, double sum, long count)
public static double uncorrectedVariance(double sumSq, double sum, long count)
public static double variance(double sumSq, double sum, long count)
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