org.jscience.computing.kmeans
Class DataSet

java.lang.Object
  org.jscience.computing.kmeans.DataSet

Direct Known Subclasses:

Cluster

public class DataSet
extends java.lang.Object

Represents the dataset of samples. A container for Data objects.

Field Summary

protected java.util.Vector

dataset The coordinates in this dataset

Constructor Summary

DataSet(java.lang.String filename)
Constructs a new dataset by reading a description from a file.

DataSet(java.util.Vector collection)
Constructs a dataset from a vector of samples.

Method Summary

int	dimension() Access the dimension of the samples in the dataset.
java.util.Iterator	iterator() Get an iterator for this dataset.
int	numSamples() Access the number of samples in the dataset.
java.util.Iterator	randomIterator() Get an iterator for this dataset that iterates in a random order.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

dataset

protected java.util.Vector dataset

The coordinates in this dataset

Constructor Detail

DataSet

public DataSet(java.util.Vector collection)

Constructs a dataset from a vector of samples.

Parameters:

collection - The collection of samples in this dataset.

DataSet

public DataSet(java.lang.String filename)
        throws java.io.FileNotFoundException,
               java.io.IOException,
               java.lang.Exception

Constructs a new dataset by reading a description from a file.

Parameters:

filename - The filename containing the dataset.

Throws:

java.io.FileNotFoundException

java.io.IOException

java.lang.Exception

Method Detail

numSamples

public int numSamples()

Access the number of samples in the dataset.

Returns:

The number of samples in the dataset.

dimension

public int dimension()

Access the dimension of the samples in the dataset.

Returns:

The dimensionality of the samples in the dataset.

iterator

public java.util.Iterator iterator()

Get an iterator for this dataset.

Returns:

An iterator of the Data items in this collection.

randomIterator

public java.util.Iterator randomIterator()

Get an iterator for this dataset that iterates in a random order.

Returns:

A random iterator of the dataset items.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

The string representation of this dataset.