is.rel

internal

A system for 'declaratively' creating graphics,
based on "The Grammar of Graphics". You provide the data, tell 'ggplot2'
how to map variables to aesthetics, what graphical primitives to use,
and it takes care of the details.

Hadley Wickham

ggplot2

Create Elegant Data Visualisations Using the Grammar of Graphics

Winston Chang

Lionel Henry

Thomas Lin Pedersen

Kohske Takahashi

Claus Wilke

Kara Woo

RStudio 

is.rel function

Reports whether x is a rel object — is.rel

Reports whether x is a rel object

is.rel: Reports whether x is a rel object

Description

Usage

Arguments