Package tech.tablesaw.index

Class DoubleIndex

java.lang.Object

tech.tablesaw.index.DoubleIndex

All Implemented Interfaces:

Index

public class DoubleIndex
extends Object
implements Index

An index for double-precision 64-bit IEEE 754 floating point columns.

Constructor Summary

Constructors

Constructor	Description
DoubleIndex(DoubleColumn column)	Constructs an index for the given column

Method Summary

Modifier and Type	Method	Description
Selection	atLeast(double value)	Returns a Selection of all values at least as large as the given value
Selection	atMost(double value)	Returns a Selection of all values at most as large as the given value
Selection	get(double value)	Returns a bitmap containing row numbers of all cells matching the given int
Selection	greaterThan(double value)	Returns a Selection of all values greater than the given value
Selection	lessThan(double value)	Returns a Selection of all values less than the given value

Methods inherited from class java.lang.Object

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

Constructor Details

DoubleIndex

public DoubleIndex(DoubleColumn column)

Constructs an index for the given column

Method Details

get

public Selection get(double value)

Returns a bitmap containing row numbers of all cells matching the given int

Parameters:

value - This is a 'key' from the index perspective, meaning it is a value from the standpoint of the column

atLeast

public Selection atLeast(double value)

Returns a Selection of all values at least as large as the given value

greaterThan

public Selection greaterThan(double value)

Returns a Selection of all values greater than the given value

atMost

public Selection atMost(double value)

Returns a Selection of all values at most as large as the given value

lessThan

public Selection lessThan(double value)

Returns a Selection of all values less than the given value