Hi, search on web indicates that R also includes a hist method on POSIXct vectors.
My (perhaps too unexperienced) approach below yields an error. Could somebody give me a hint what's wrong ? Peter > str(samples) `data.frame': 7500 obs. of 1 variable: $ DateTime:'POSIXct', format: chr "2006-07-20 00:10:08" "2006-07-20 00:11:17" "2006-07-20 00:11:23" >hist(samples) Error in hist.default(samples) : 'x' must be numeric ______________________________________________ R-help@stat.math.ethz.ch 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.