quantmod (version 0.4-6)

Defaults: Manage Default Argument Values for quantmod Functions

Description

Use globally specified defaults, if set, in place of formally specified default argument values. Allows user to specify function defaults different than formally supplied values, e.g. to change poorly performing defaults, or satisfy a different preference.

Usage

setDefaults(name, ...)
unsetDefaults(name, confirm = TRUE)
getDefaults(name = NULL, arg = NULL)
importDefaults(calling.fun)

Arguments

name

name of function, quoted or unquoted

...

name=value default pairs

confirm

prompt before unsetting defaults

arg

values to retrieve

calling.fun

name of function to act upon

Value

Details

See Also

options

Examples

my.fun <- function(x=3)
{
  importDefaults('my.fun')
  x^2
}

my.fun()        # returns 9

setDefaults(my.fun, x=10)
my.fun()        # returns 100
my.fun(x=4)     # returns 16

getDefaults(my.fun)
formals(my.fun)
unsetDefaults(my.fun, confirm=FALSE)
getDefaults(my.fun)

my.fun()        # returns 9