Hello, It should be easu but I cannot figure out how to use apply function. I am trying to replace negative values in an array with these values + 24. Would appreciate help. Thanks, Mark
shours <- apply(fhours, function(x){if (x < 0) x <- x+24}) Error in match.fun(FUN) : argument "FUN" is missing, with no default [[alternative HTML version deleted]] ______________________________________________ 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.