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Functions to add sets. If the sets are new they are added, otherwise they are omitted.
add_sets(object, sets, ...)
A TidySet object with the new sets.
TidySet
A TidySet object
A character vector of sets to be added.
Placeholder for other arguments that could be passed to the method. Currently not used.
Other add_*: add_elements(), add_relations()
add_elements()
add_relations()
x <- list("a" = letters[1:5], "b" = LETTERS[3:7]) a <- tidySet(x) b <- add_sets(a, "fg") sets(b)
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