de.lmu.ifi.dbs.elki.data

Interface FeatureVector<D>

All Known Subinterfaces:

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

All Known Implementing Classes:

AbstractNumberVector, AbstractUncertainObject, BitVector, ByteVector, Centroid, DeLiCluLeafEntry, DoubleVector, FloatVector, IntegerVector, OneDimensionalDoubleVector, ProjectedCentroid, RdKNNLeafEntry, ShortVector, SimpleGaussianContinuousUncertainObject, SparseByteVector, SparseDoubleVector, SparseFloatVector, SparseIntegerVector, SparseShortVector, SpatialPointLeafEntry, UniformContinuousUncertainObject, UnweightedDiscreteUncertainObject, Vector, 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.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	FeatureVector.Factory<V extends FeatureVector<? extends D>,D> Factory API for this feature vector.

Method Summary

Methods

Modifier and Type	Method and 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.
String	toString() Returns a String representation of the FeatureVector of V as a line that is suitable to be printed in a sequential file.

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

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 Object

Returns:

a String representation of the FeatureVector of V