Get a function that can be used to alert the user of invalid inputs.
Returns the value implied by the overwrite argument,
or the option "graphicalExtremes.default.alert",
falling back to warning() if neither is specified.
get_alert_function(overwrite = NULL)A function that takes an arbitrary number of strings as arguments.
NULL or TRUE to read the option value,
FALSE to return a dummy function,
or a function that takes an arbitrary number of strings as arguments (e.g. stop()).
graphicalExtremes-package
Other default parameters:
get_mc_cores(),
get_small_tol()