

   NNAA AAccttiioonn

        na.action(x, ...)
        na.action.default(x)

   AArrgguummeennttss::

          x: any object whose `NA' action is given.

        ...: further arguments special methods could assume.

   DDeessccrriippttiioonn::

        `na.action' is a generic function, and
        `na.action.default' its default method.

   VVaalluuee::

        The ``NA action'' which should be applied to `x' when-
        ever `NA's are not desired.

   SSeeee AAllssoo::

        `options("na.action")', `na.omit', `na.fail'

   EExxaammpplleess::

        na.action(c(1,NA))

