org.datavec.dataframe.reducing

Class CrossTab

java.lang.Object

org.datavec.dataframe.reducing.CrossTab

public final class CrossTab
extends Object

Utilities for creating frequency and proportion cross tabs

Constructor Summary

Constructors

Constructor and Description
CrossTab()

Method Summary

Modifier and Type	Method and Description
static Table	columnPercents(Table xTabCounts)
static Table	rowPercents(Table xTabCounts)
static Table	tablePercents(Table xTabCounts)
static Table	xCount(Table table, Column column1, Column column2)
static Table	xTabCount(Table table, Column column1, Column column2) Returns a table containing two-dimensional cross-tabulated counts for each combination of values in column1 and column2
static Table	xTabCount(Table table, DateColumn column1, Column column2)

Methods inherited from class java.lang.Object

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

Constructor Detail

CrossTab

public CrossTab()

Method Detail

xCount

public static Table xCount(Table table,
                           Column column1,
                           Column column2)

xTabCount

public static Table xTabCount(Table table,
                              Column column1,
                              Column column2)

Returns a table containing two-dimensional cross-tabulated counts for each combination of values in column1 and column2

Parameters:

table - The table we're deriving the counts from

column1 - A column in table

column2 - Another column in table

Returns:

A table containing the cross-tabs

xTabCount

public static Table xTabCount(Table table,
                              DateColumn column1,
                              Column column2)

rowPercents

public static Table rowPercents(Table xTabCounts)

tablePercents

public static Table tablePercents(Table xTabCounts)

columnPercents

public static Table columnPercents(Table xTabCounts)