Package io.trino.operator.aggregation.state

Interface CovarianceState

All Superinterfaces:

AccumulatorState

All Known Subinterfaces:

CorrelationState, RegressionState

public interface CovarianceState
extends AccumulatorState

Method Summary

Modifier and Type	Method	Description
double	getC2()
long	getCount()
default double	getCovariancePopulation()
default double	getCovarianceSample()
double	getMeanX()
double	getMeanY()
default void	merge(CovarianceState otherState)
void	setC2(double value)
void	setCount(long value)
void	setMeanX(double value)
void	setMeanY(double value)
default void	update(double x, double y)

Methods inherited from interface io.trino.spi.function.AccumulatorState

copy, getEstimatedSize

Method Details

getCount

long getCount()

setCount

void setCount(long value)

getMeanX

double getMeanX()

setMeanX

void setMeanX(double value)

getMeanY

double getMeanY()

setMeanY

void setMeanY(double value)

getC2

double getC2()

setC2

void setC2(double value)

update

default void update(double x,
 double y)

merge

default void merge(CovarianceState otherState)

getCovarianceSample

default double getCovarianceSample()

getCovariancePopulation

default double getCovariancePopulation()