FeatureVector (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

All Known Subinterfaces:

ClusterFeature, DiscreteUncertainObject, NumberVector, SparseFeatureVector<D>, SparseNumberVector, UncertainObject

All Known Implementing Classes:

AbstractUncertainObject, ALOCI.Node, BIRCHCF, BitVector, ByteVector, Centroid, DeLiCluLeafEntry, DoubleVector, FloatVector, IntegerVector, OneDimensionalDoubleVector, ProjectedCentroid, RdKNNLeafEntry, ShortVector, SimpleGaussianContinuousUncertainObject, SparseByteVector, SparseDoubleVector, SparseFloatVector, SparseIntegerVector, SparseShortVector, SpatialPointLeafEntry, UniformContinuousUncertainObject, UnweightedDiscreteUncertainObject, VIIFeature, VVIFeature, VVVFeature, WeightedDiscreteUncertainObject
```
public interface FeatureVector<D>
```
Generic FeatureVector class that can contain any type of data (i.e. numerical or categorical attributes). See NumberVector for vectors that actually store numerical features.

Since:

0.1

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface FeatureVector.Factory<V extends FeatureVector<? extends D>,D>
Factory API for this feature vector.

Field Summary

Fields
Modifier and Type Field Description

static VectorTypeInformation<FeatureVector<?>> TYPE
Input type: Any feature vector type.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getDimensionality()`	The dimensionality of the vector space where of this FeatureVector of V is an element.
`D`	`getValue(int dimension)`	Returns the value in the specified dimension.
`java.lang.String`	`toString()`	Returns a String representation of the FeatureVector of V as a line that is suitable to be printed in a sequential file.

- Field Detail
  - TYPE
```
static final VectorTypeInformation<FeatureVector<?>> TYPE
```
    Input type: Any feature vector type.
- Method Detail
  - getDimensionality
```
int getDimensionality()
```
    The dimensionality of the vector space where of this FeatureVector of V is an element.
    
    Returns:
    
    the number of dimensions of this FeatureVector of V
  - getValue
```
D getValue(int dimension)
```
    Returns the value in the specified dimension.
    
    Parameters:
    
    dimension - the desired dimension, where 0 ≤ dimension ≤ this.getDimensionality()-1
    
    Returns:
    
    the value in the specified dimension
  - toString
```
java.lang.String toString()
```
    Returns a String representation of the FeatureVector of V as a line that is suitable to be printed in a sequential file.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    a String representation of the FeatureVector of V