Join two association pairs lists by their ids

Left join two pairs lists together. Pairs not included in pairs_b will be added as NAs to returned list and any pairs not in pairs_a will simply be ignored.

join_pair_lists(pairs_a, pairs_b)

Arguments

pairs_a, pairs_b	association pairs list with columns a and b encoding ids

Value

Joined version of the two association pairs with any missing pairs from pairs_b set as NA for non-id columns.