lu: Return the length of unique items

Description Usage Arguments Examples

Description

Return the length of unique items for the given argument

Usage

1
lu(obj)

Arguments

obj

- the object/list to find the length of unique items

Examples

1
lu(df$keyid) # Return the length of unique items in df$keyid

ipstone/ipfun documentation built on Nov. 17, 2020, 7:09 a.m.