{base}R Documentation

Argument Matching

Description returns a call in which all of the arguments are specified by their names. The most common use is to get the call of the current function, with all arguments named.

Usage = NULL, call =,
           expand.dots = TRUE)


definition a function, by default the function from which is called.
call an unevaluated call to the function specified by definition, as generated by call.
expand.dots logical. Should arguments matching ... in the call be included or left as a ... argument?


An object of class call.


Chambers, J. M. (1998) Programming with Data. A Guide to the S Language. Springer.

See Also

call, pmatch, match.arg,

Examples, call("get", "abc", i = FALSE, p = 3))
## -> get(x = "abc", pos = 3, inherits = FALSE)
fun <- function(x, lower = 0, upper = 1) {
  structure((x - lower) / (upper - lower), CALL =
fun(4 * atan(1), u = pi)

[Package base version 2.1.0 Index]