"build_knn_graph"
)Build kNN graph from distance
(used in "build_knn_graph"
)
knn_graph_from_dist(D, k = 5, return_neighbors_order = TRUE, mode = "all")
a list with components
graph.knn - igraph object
order - Nxk matrix with indices of k nearest neighbors ordered by relevance (from 1st to k-th)
dist matrix or dist object (preferentially)
kNN parameter
whether return order of neighbors (not available for nn2 option)
mode of graph_from_adj_list ('all' -- undirected graph, 'out' -- directed graph)