What is the best way to detect whether or not a (potentially large) matrix contains missing values (NAs) or not? I use
if (sum(is.na(x)) > 0) {...} are there more efficient ways? /Ali ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.