set_class

add_class

value

<p>Set class with a parenthetical function.</p>
<p>Add class with a parenthetical function.</p>

A collection of useful tools for programming and writing-scripts.
Several functions are simple wrappers around base R functions that extend
their functionality while also providing some convenient properties<e2><80><93>regular
expression functions that automatically detect look-ahead and look-behind
statements, a read-line function that suppresses incomplete-final-line
warnings and automatically opens and closes connections, a version of
substrings that starts from the end of strings, etc. Other functions are
useful for checking whether packages are installed, omitting
missing data, and showing in-use connections.

set_class: set class

Description

Usage

Arguments

Value