bquote

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Partial substitution in expressions

An analogue of the LISP backquote macro. bquote quotes its argument except that terms wrapped in .() are evaluated in the specified where environment.

Keywords
programming, data
Usage
bquote(expr, where = parent.frame())
Arguments
expr

A language object.

where

An environment.

Value

A language object.

See Also

quote, substitute

Aliases
  • bquote
Examples
library(base) # NOT RUN { 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))) ## to set a function default arg default <- 1 bquote( function(x, y = .(default)) x+y ) # }
Documentation reproduced from package base, version 3.4.3, License: Part of R 3.4.3

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