Package elki.outlier.meta

Class HiCS.HiCSSubspace

java.lang.Object

elki.outlier.meta.HiCS.HiCSSubspace

Enclosing class:

HiCS

public static class HiCS.HiCSSubspace
extends java.lang.Object

BitSet that holds a contrast value as field. Used for the representation of a subspace in HiCS

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
protected long[]	bits	Subspace bitset.
protected double	contrast	The HiCS contrast value.
static java.util.Comparator<HiCS.HiCSSubspace>	SORT_BY_CONTRAST_ASC	Sort subspaces by their actual subspace.
static java.util.Comparator<HiCS.HiCSSubspace>	SORT_BY_CONTRAST_DESC	Sort subspaces by their actual subspace.
static java.util.Comparator<HiCS.HiCSSubspace>	SORT_BY_SUBSPACE	Sort subspaces by their actual subspace.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HiCSSubspace(int maxdim)	Constructor.
protected	HiCSSubspace(HiCS.HiCSSubspace other)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	dimensionality()	Get the subspace dimensionality.
int	nextSetBit(int start)	Get the next set bit.
protected HiCS.HiCSSubspace	or(HiCS.HiCSSubspace other)	Or-combine with another subspace.
protected HiCS.HiCSSubspace	set(int i)	Set a bit in the subspace.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

bits

protected long[] bits

Subspace bitset.

contrast

protected double contrast

The HiCS contrast value.

SORT_BY_CONTRAST_ASC

public static final java.util.Comparator<HiCS.HiCSSubspace> SORT_BY_CONTRAST_ASC

Sort subspaces by their actual subspace.

SORT_BY_CONTRAST_DESC

public static final java.util.Comparator<HiCS.HiCSSubspace> SORT_BY_CONTRAST_DESC

Sort subspaces by their actual subspace.

SORT_BY_SUBSPACE

public static final java.util.Comparator<HiCS.HiCSSubspace> SORT_BY_SUBSPACE

Sort subspaces by their actual subspace.

Constructor Detail

HiCSSubspace

protected HiCSSubspace(int maxdim)

Constructor.

Parameters:

maxdim - Maximum dimensionality

HiCSSubspace

protected HiCSSubspace(HiCS.HiCSSubspace other)

Constructor.

Parameters:

other - Existing set to clone

Method Detail

dimensionality

public int dimensionality()

Get the subspace dimensionality.

Returns:

Dimensionality

set

protected HiCS.HiCSSubspace set(int i)

Set a bit in the subspace.

Parameters:

i - Bit to set

Returns:

this object

or

protected HiCS.HiCSSubspace or(HiCS.HiCSSubspace other)

Or-combine with another subspace.

Parameters:

other - Other subspace

Returns:

This subspace

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

nextSetBit

public int nextSetBit(int start)

Get the next set bit.

Parameters:

start - Starting value

Returns:

Next set bit, or -1