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Create record-pair combination of a vector's elements.
make_ids(x_pos, y_pos, id_length = max(x_pos, y_pos))
[integer]. Index of one half of a record-pair
[integer]
Length of the record identifier.
list
Record groups from non-recursive links have the lowest record ID (sn) in the set as their group ID.
sn
# NOT RUN { make_ids(x_pos = rep(7, 7), y_pos = 1:7) make_ids(x_pos = c(1, 6), y_pos = 6:7) make_ids(x_pos = 1:5, y_pos = c(1, 1, 2, 3, 4)) # }
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