has_duplicates: Check if a vector has duplicates
In assertions: Simple Assertions for Beautiful and Customisable Error Messages

has_duplicates

R Documentation

Check if a vector has duplicates

This function returns a logical value indicating whether the input vector contains duplicated elements.

has_duplicates(x)

x

A vector.

A logical value indicating whether the input vector contains duplicated elements.

if(interactive()){
has_duplicates(c(1, 2, 3))  # returns FALSE
has_duplicates(c(1, 2, 2))  # returns TRUE
}

assertions documentation built on June 7, 2023, 6:03 p.m.

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