Description Usage Arguments Value
Identify which rows of a matrix are unique and which are duplicates, including identifying which row they are a duplicate of. Unique rows are numbered sequentially.
1 |
mat |
A matrix like object |
A list containing the a vector of unique row indices
indeces
, corresponding to each rows coresponding unique row in
a deduplicated matrix, and a logical vector showing whether each row is
duplicate (duplicated
). These two vectors are sufficient to
extract a deduplcated matrix (deduped <- mat[!duplicate,]
) and
reconstruct the original (mat == deduped[indeces,]
).
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