| bquote {base} | R Documentation |
Partial substitution in expressions
Description
An analogue of the LISP backquote macro. bquote quotes its
argument except that terms wrapped in .() are evaluated in the
specified where environment.
Usage
bquote(expr, where = parent.frame())
Arguments
expr |
A language object. |
where |
An environment. |
Value
A language object.
See Also
quote, substitute
Examples
require(graphics)
a <- 2
bquote(a == a)
quote(a == a)
bquote(a == .(a))
substitute(a == A, list(A = a))
plot(1:10, a*(1:10), main = bquote(a == .(a)))