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Returns the number of sets in the object.
# S3 method for TidySet length(x)
A numeric value.
A TidySet object.
No replacement function is available, either delete sets or add them.
dim(), ncol() and nrow(). Also look at lengths() for the number of relations of sets.
dim()
ncol()
nrow()
lengths()
TS <- tidySet(list(A = letters[1:5], B = letters[6])) length(TS)
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