de.lmu.ifi.dbs.elki.data

Interface FeatureVector<D>

Type Parameters:

D - Data type

All Known Subinterfaces:

NumberVector<N>, SparseFeatureVector<D>, SparseNumberVector<N>

All Known Implementing Classes:

AbstractNumberVector, BitVector, Centroid, DoubleVector, FloatVector, IntegerVector, OneDimensionalDoubleVector, ProjectedCentroid, SparseDoubleVector, SparseFloatVector, Vector

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.

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 1 ≤ dimension ≤ this.getDimensionality()

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