CovarianceState (presto-main 345 API)

All Superinterfaces:

AccumulatorState

All Known Subinterfaces:

CorrelationState, RegressionState
```
public interface CovarianceState
extends AccumulatorState
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`double`	`getC2()`
`long`	`getCount()`
`double`	`getMeanX()`
`double`	`getMeanY()`
`void`	`setC2(double value)`
`void`	`setCount(long value)`
`void`	`setMeanX(double value)`
`void`	`setMeanY(double value)`

Methods inherited from interface io.prestosql.spi.function.AccumulatorState
getEstimatedSize

Method Detail

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)
```