coords_to_knn | R Documentation |
Get the k nearest neighbors for each location, including the location itself.
This function calls dist
, so the options for the
distance measure used is the same as for that one. Distances are calculated
between rows.
coords_to_knn(x, k = min(10, nrow(x)), method = "euclidean", p = 2)
x |
a numeric matrix, data frame or |
k |
The number of nearest neighbors, counting the location itself. |
method |
the distance measure to be used. This must be one of
|
p |
The power of the Minkowski distance. |
An integer matrix of the k nearest neighbors for each location. Each row corresponds to a location, with the first element of each row being the location itself. Locations are encoded as integers.
x <- matrix(c(0, 0, 1, 0, 2, 1, 0, 4, 1, 3), ncol = 2, byrow = TRUE) plot(x) coords_to_knn(x)
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