Substitute: Substitutions in Language Objects

In mutils: Basic Utilities for Data Management, Graphics, and Simulation

Description

Substitute differs from substitute in so far as its first argument can be a variable that contains an object of mode "language". In that case, substitutions take place inside this object.

Usage

Substitute(lang,with)

Arguments

lang	any object, unevaluated expression, or unevaluated language construct, such as a sequence of calls inside braces
with	a named list, environment, data frame or data set.

Details

The function body is just do.call("substitute",list(lang,with)).

Value

An object of storage mode "language" or "symbol".

Examples

lang <- quote(sin(x)+z)
substitute(lang,list(x=1,z=2))
Substitute(lang,list(x=1,z=2))

mutils documentation built on May 2, 2019, 4:44 p.m.