Package tech.tablesaw.aggregate

Class NumericAggregateFunction

java.lang.Object

tech.tablesaw.aggregate.AggregateFunction<NumericColumn<?>,Double>

tech.tablesaw.aggregate.NumericAggregateFunction

public abstract class NumericAggregateFunction
extends AggregateFunction<NumericColumn<?>,Double>

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

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	NumericAggregateFunction(String name)	Constructs a NumericAggregateFunction with the given name.

Method Summary

Modifier and Type	Method	Description
boolean	isCompatibleColumn(ColumnType type)	Returns true if the given ColumnType is compatible with this function
ColumnType	returnType()	Returns the ColumnType to be used for the values returned by this function

Methods inherited from class tech.tablesaw.aggregate.AggregateFunction

functionName, summarize, toString

Methods inherited from class java.lang.Object

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

Constructor Details

NumericAggregateFunction

protected NumericAggregateFunction(String name)

Constructs a NumericAggregateFunction with the given name. The name may be used to name a column in the output when this function is used by Summarizer

Method Details

isCompatibleColumn

public boolean isCompatibleColumn(ColumnType type)

Returns true if the given ColumnType is compatible with this function

Specified by:

isCompatibleColumn in class AggregateFunction<NumericColumn<?>,Double>

returnType

public ColumnType returnType()

Returns the ColumnType to be used for the values returned by this function

Specified by:

returnType in class AggregateFunction<NumericColumn<?>,Double>