NumberRollingColumn (tablesaw-core 0.44.4 API)

java.lang.Object
- tech.tablesaw.table.RollingColumn
- - tech.tablesaw.columns.numbers.NumberRollingColumn

```
public class NumberRollingColumn
extends RollingColumn
```
Does a calculation on a rolling basis (e.g. mean for last 20 days)

Field Summary
- Fields inherited from class tech.tablesaw.table.RollingColumn
  column, window

Constructor Summary

Constructors
Constructor Description

NumberRollingColumn(NumericColumn<?> column, int window)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DoubleColumn`	`countMissing()`
`DoubleColumn`	`countNonMissing()`
`DoubleColumn`	`geometricMean()`
`DoubleColumn`	`kurtosis()`
`DoubleColumn`	`max()`
`DoubleColumn`	`mean()`
`DoubleColumn`	`median()`
`DoubleColumn`	`min()`
`DoubleColumn`	`skewness()`
`DoubleColumn`	`stdDev()`
`DoubleColumn`	`sum()`
`DoubleColumn`	`variance()`

Methods inherited from class tech.tablesaw.table.RollingColumn
calc, generateNewColumnName

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

Constructor Detail

NumberRollingColumn

public NumberRollingColumn(NumericColumn<?> column,
                           int window)

Method Detail

mean
```
public DoubleColumn mean()
```

median
```
public DoubleColumn median()
```

geometricMean
```
public DoubleColumn geometricMean()
```

sum
```
public DoubleColumn sum()
```

min
```
public DoubleColumn min()
```

max
```
public DoubleColumn max()
```

countMissing
```
public DoubleColumn countMissing()
```

countNonMissing
```
public DoubleColumn countNonMissing()
```

stdDev
```
public DoubleColumn stdDev()
```

variance
```
public DoubleColumn variance()
```

skewness
```
public DoubleColumn skewness()
```

kurtosis
```
public DoubleColumn kurtosis()
```