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java.lang.Object de.lmu.ifi.dbs.elki.index.preprocessed.preference.AbstractPreferenceVectorIndex.Factory<V,DiSHPreferenceVectorIndex<V>> de.lmu.ifi.dbs.elki.index.preprocessed.preference.DiSHPreferenceVectorIndex.Factory<V>
V
- Vector typepublic static class DiSHPreferenceVectorIndex.Factory<V extends NumberVector<?,?>>
Factory class
Nested Class Summary | |
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static class |
DiSHPreferenceVectorIndex.Factory.Parameterizer<V extends NumberVector<?,?>>
Parameterization class. |
Field Summary | |
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private static String |
CONDITION
Description for the determination of the preference vector. |
static DoubleDistance |
DEFAULT_EPSILON
The default value for epsilon. |
static DiSHPreferenceVectorIndex.Strategy |
DEFAULT_STRATEGY
Default strategy. |
protected DoubleDistance[] |
epsilon
The epsilon value for each dimension; |
static OptionID |
EPSILON_ID
A comma separated list of positive doubles specifying the maximum radius of the neighborhood to be considered in each dimension for determination of the preference vector (default is DEFAULT_EPSILON in each
dimension). |
protected int |
minpts
Threshold for minimum number of points in the neighborhood. |
static OptionID |
MINPTS_ID
Positive threshold for minimum numbers of points in the epsilon-neighborhood of a point, must satisfy following CONDITION . |
static String |
MINPTS_P
Option name for MINPTS_ID . |
protected DiSHPreferenceVectorIndex.Strategy |
strategy
The strategy to determine the preference vector. |
static OptionID |
STRATEGY_ID
The strategy for determination of the preference vector, available strategies are: DiSHPreferenceVectorIndex.Strategy.APRIORI and
DiSHPreferenceVectorIndex.Strategy.MAX_INTERSECTION . |
Constructor Summary | |
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DiSHPreferenceVectorIndex.Factory(DoubleDistance[] epsilon,
int minpts,
DiSHPreferenceVectorIndex.Strategy strategy)
Constructor. |
Method Summary | |
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int |
getMinpts()
Return the minpts value |
DiSHPreferenceVectorIndex<V> |
instantiate(Relation<V> relation)
Instantiate the index for a given database. |
Methods inherited from class de.lmu.ifi.dbs.elki.index.preprocessed.preference.AbstractPreferenceVectorIndex.Factory |
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getInputTypeRestriction |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final DoubleDistance DEFAULT_EPSILON
public static final OptionID EPSILON_ID
DEFAULT_EPSILON
in each
dimension). If only one value is specified, this value will be used for
each dimension.
Key: -dish.epsilon
Default value: DEFAULT_EPSILON
public static final String MINPTS_P
MINPTS_ID
.
private static final String CONDITION
public static final OptionID MINPTS_ID
CONDITION
.
Key: -dish.minpts
public static DiSHPreferenceVectorIndex.Strategy DEFAULT_STRATEGY
public static final OptionID STRATEGY_ID
DiSHPreferenceVectorIndex.Strategy.APRIORI
and
DiSHPreferenceVectorIndex.Strategy.MAX_INTERSECTION
.
Key: -dish.strategy
Default value: DEFAULT_STRATEGY
protected DoubleDistance[] epsilon
protected int minpts
protected DiSHPreferenceVectorIndex.Strategy strategy
Constructor Detail |
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public DiSHPreferenceVectorIndex.Factory(DoubleDistance[] epsilon, int minpts, DiSHPreferenceVectorIndex.Strategy strategy)
epsilon
- Epsilonminpts
- Minptsstrategy
- StrategyMethod Detail |
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public DiSHPreferenceVectorIndex<V> instantiate(Relation<V> relation)
PreferenceVectorIndex.Factory
instantiate
in interface IndexFactory<V extends NumberVector<?,?>,DiSHPreferenceVectorIndex<V extends NumberVector<?,?>>>
instantiate
in interface PreferenceVectorIndex.Factory<V extends NumberVector<?,?>,DiSHPreferenceVectorIndex<V extends NumberVector<?,?>>>
instantiate
in class AbstractPreferenceVectorIndex.Factory<V extends NumberVector<?,?>,DiSHPreferenceVectorIndex<V extends NumberVector<?,?>>>
relation
- Relation to use
public int getMinpts()
|
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