HySortOD.DensityStrategy (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.outlier.density.HySortOD.DensityStrategy

Direct Known Subclasses:

HySortOD.NaiveStrategy, HySortOD.TreeStrategy

Enclosing class:

HySortOD
```
private abstract static class HySortOD.DensityStrategy
extends java.lang.Object
```
Strategy for compute density.

Author:

Cabral, Eugênio F.

Field Summary

Fields
Modifier and Type Field Description

(package private) java.util.List<HySortOD.Hypercube> H
Local reference for search

(package private) int Wmax
Max hypercube neighborhood density

Constructor Summary

Constructors
Modifier Constructor Description

private DensityStrategy()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) abstract HySortOD.DensityStrategy`	`buildIndex(java.util.List<HySortOD.Hypercube> H)`	Construct the index for compute hypercube density according to a strategy.
`(package private) abstract int[]`	`getDensities()`
`(package private) double`	`getMaxDensity()`
`protected boolean`	`isImmediate(HySortOD.Hypercube hi, HySortOD.Hypercube hk)`	Validate if Hypercube hk is immediate neighbor of Hypercube hi.
`protected boolean`	`isProspective(HySortOD.Hypercube hi, HySortOD.Hypercube hk, int col)`	Validate if Hypercube hk is immediate neighbor of Hypercube hi using a the same coordinate.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - Wmax
```
int Wmax
```
    Max hypercube neighborhood density
  - H
```
java.util.List<HySortOD.Hypercube> H
```
    Local reference for search
- Constructor Detail
  - DensityStrategy
```
private DensityStrategy()
```
- Method Detail
  - buildIndex
```
abstract HySortOD.DensityStrategy buildIndex(java.util.List<HySortOD.Hypercube> H)
```
    Construct the index for compute hypercube density according to a strategy.
    
    Parameters:
    
    H - List of hypercubes
    
    Returns:
    
    DensityStrategy Strategy instance
  - getDensities
```
abstract int[] getDensities()
```
    Returns:
    
    Densities of all hypercubes
  - getMaxDensity
```
double getMaxDensity()
```
    Returns:
    
    Maximum density
  - isImmediate
```
protected boolean isImmediate(HySortOD.Hypercube hi,
                              HySortOD.Hypercube hk)
```
    Validate if Hypercube hk is immediate neighbor of Hypercube hi.
    
    Parameters:
    
    hi - Hypercube hi
    
    hk - Hypercube hk
    
    Returns:
  - isProspective
```
protected boolean isProspective(HySortOD.Hypercube hi,
                                HySortOD.Hypercube hk,
                                int col)
```
    Validate if Hypercube hk is immediate neighbor of Hypercube hi using a the same coordinate.
    
    Parameters:
    
    hi - Hypercube hi
    
    hk - Hypercube hk
    
    col - Hypercube coordinate
    
    Returns: