Description Usage Arguments Value Examples
Given a distance matrix, calculate the k nearest neighbors of each location, including the location itself. The matrix should contain only zeros on the diagonal, and all other elements should be positive.
1 | dist_to_knn(x, k = min(10, nrow(x)))
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x |
A (square) distance matrix. Elements should be non-negative and the diagonal zeros, but this is not checked. |
k |
The number of nearest neighbors, counting the location itself. |
A matrix of integers, row i containing the k nearest neighbors of location i, including itself.
1 2 3 4 5 6 7 8 |
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