Package tech.tablesaw.aggregate

Class DateAggregateFunction

java.lang.Object

tech.tablesaw.aggregate.AggregateFunction

tech.tablesaw.aggregate.DateAggregateFunction

public abstract class DateAggregateFunction
extends AggregateFunction

A partial implementation of aggregate functions to summarize over a date column

Constructor Summary

Constructors

Constructor	Description
DateAggregateFunction(String name)

Method Summary

Modifier and Type	Method	Description
boolean	isCompatibleWith(ColumnType type)
abstract double	summarize(Column column)

Methods inherited from class tech.tablesaw.aggregate.AggregateFunction

functionName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DateAggregateFunction

public DateAggregateFunction(String name)

Method Detail

summarize

public abstract double summarize(Column column)

Specified by:

summarize in class AggregateFunction

isCompatibleWith

public boolean isCompatibleWith(ColumnType type)

Specified by:

isCompatibleWith in class AggregateFunction