Package tech.tablesaw.table

Class RollingColumn

java.lang.Object

tech.tablesaw.table.RollingColumn

Direct Known Subclasses:

NumberRollingColumn

public class RollingColumn
extends Object

Does a calculation on a rolling basis (e.g. mean for last 20 days)

Field Summary

Fields

Modifier and Type	Field	Description
protected Column<?>	column
protected int	window

Constructor Summary

Constructors

Constructor	Description
RollingColumn(Column<?> column, int window)

Method Summary

Modifier and Type	Method	Description
<INCOL extends Column<?>,OUT> Column<?>	calc(AggregateFunction<INCOL,OUT> function)
protected String	generateNewColumnName(AggregateFunction<?,?> function)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

column

protected final Column<?> column

window

protected final int window

Constructor Detail

RollingColumn

public RollingColumn(Column<?> column,
                     int window)

Method Detail

generateNewColumnName

protected String generateNewColumnName(AggregateFunction<?,?> function)

calc

public <INCOL extends Column<?>,OUT> Column<?> calc(AggregateFunction<INCOL,OUT> function)