R: Compute the number of distinct unique values in a vector or...

n_distinct {plyranges}

R Documentation

Compute the number of distinct unique values in a vector or List

This is a wrapper to length(unique(x)) or lengths(unique(x)) if x is a List object

n_distinct(var)

var

a vector of values

an integer vector

x <- CharacterList(c("a", "b", "c", "a"),  "d")
n_distinct(x)
n_distinct(unlist(x))

[Package plyranges version 1.6.10 Index]