kNN_graph: Calculate k-nearest-neighbor graph from affinity matrix and...

Description Usage Arguments Value Examples

Description

Calculate k-nearest-neighbor graph from affinity matrix and normalize it as transition matrix

Usage

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kNN_graph(W, K)

Arguments

W

affinity matrix (its elements are non-negative real numbers)

K

the number of k nearest neighbors

Value

a transition matrix of the same shape as W

Examples

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D = matrix(runif(400),20)
W = affinity_matrix(D, 5)
S = kNN_graph(W, 5)

BeautyOfWeb/ANF documentation built on May 28, 2019, 11:57 a.m.