warnings {base}

R Documentation

Print Warning Messages

Description

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

Usage

warnings(...)

Arguments

...	arguments to be passed to cat.

See Also

warning.

Examples

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

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