lle (version 1.1)

find_nn_k: Find k nearest neighbours.

Description

Finds the nearest k points for every point of the input data.

Usage

find_nn_k(X, k, iLLE = FALSE)

Arguments

X

matrix object containing the input data.

k

number of neighbours.

iLLE

a logical values indicating wheater to use improved LLE. See lle.

Value

neighbours

matrix with $N$ rows and columns. If $x_j$ is a neighbour of $x_i$ then $neighbours[i,j]$ is one, else zero.

See Also

find_nn_eps

Examples

	data( lle_scurve_data )
	X <- lle_scurve_data
	neighbours <- find_nn_k( X, 5 )
	table( rowSums( neighbours ) )