n_distinct: Count the number of unique values in a set of vectors

In poorman: A Poor Man's Dependency Free Recreation of 'dplyr'

Description

This is the equivalent of length(unique(x)) for multiple vectors.

Usage

n_distinct(..., na.rm = FALSE)

Arguments

...	Vectors of values.
na.rm	logical(1). If TRUE missing values don't count.

Examples

x <- sample(1:10, 1e5, rep = TRUE)
length(unique(x))
n_distinct(x)

poorman documentation built on March 28, 2021, 5:05 p.m.