/// <summary>
/// Initializes a new instance of KMeans algorithm
/// </summary>
///
/// <param name="k">The number of clusters to divide input data.</param>
/// <param name="distance">The distance function to use. Default is to
/// use the <see cref="Accord.Math.Distance.SquareEuclidean(double[], double[])"/> distance.</param>
///
public KModes(int k, Func <TData, TData, double> distance)
{
if (k <= 0)
{
throw new ArgumentOutOfRangeException("k");
}
if (distance == null)
{
throw new ArgumentNullException("distance");
}
// Create the object-oriented structure to hold
// information about the k-means' clusters.
this.clusters = new KModesClusterCollection <TData>(k, distance);
}
/// <summary>
/// Initializes a new instance of KModes algorithm
/// </summary>
///
/// <param name="k">The number of clusters to divide input data.</param>
/// <param name="distance">The distance function to use. Default is to
/// use the <see cref="Accord.Math.Distance.SquareEuclidean(double[], double[])"/> distance.</param>
///
public KModes(int k, IDistance <T[]> distance)
{
if (k <= 0)
{
throw new ArgumentOutOfRangeException("k");
}
if (distance == null)
{
throw new ArgumentNullException("distance");
}
// Create the object-oriented structure to hold
// information about the k-modes' clusters.
this.clusters = new KModesClusterCollection <T>(k, distance);
this.Initialization = Seeding.KMeansPlusPlus;
this.Tolerance = 1e-5;
this.MaxIterations = 100;
}
/// <summary>
/// Initializes a new instance of the <see cref="KModesCluster<TData>"/> class.
/// </summary>
///
/// <param name="owner">The owner.</param>
/// <param name="index">The cluster index.</param>
///
public KModesCluster(KModesClusterCollection <TData> owner, int index)
{
this.owner = owner;
this.index = index;
}
/// <summary>
/// Initializes a new instance of the <see cref="KModesCluster"/> class.
/// </summary>
///
/// <param name="owner">The owner collection.</param>
/// <param name="index">The cluster index.</param>
///
public KModesCluster(KModesClusterCollection <T> owner, int index)
: base(owner, index)
{
}
