

   warnings {base}                              R Documentation

   PPrriinntt WWaarrnniinngg MMeessssaaggeess

   DDeessccrriippttiioonn::

        `warnings' prints the top-level variable `last.warning'
        in a pleasing form.

   UUssaaggee::

        warnings(...)

   SSeeee AAllssoo::

        `warning'.

   EExxaammpplleess::

        ow <- options("warn")
        for(w in -1:1) {
           options(warn = w); cat("\n warn =",w,"\n")
           for(i in 1:3) { cat(i,"..\n"); m <- matrix(1:7, 3,4) }
        }
        warnings()
        options(ow) # reset

