"I'm getting a 404 on the dropbox link....looking at your pastebin link, my guess is that those numbers are in fact greater than zero, but are very small so they appear as zeros in the print method.
If you want to send your data, it's easier to simply give us dput(rawData) and copy and paste the result into the email thread. I sincerely doubt that the world's most powerful and commonly used statistical software, after 20 years of development, can't test for something being greater than a literal." Right, sorry about the miscommunication. Did you try the attached file I uploaded 2 hours before the post above? I just noticed the more button here can attach files. Here it is: http://r.789695.n4.nabble.com/file/n4473011/dataout_2471_843.csv dataout_2471_843.csv -- View this message in context: http://r.789695.n4.nabble.com/logical-test-not-functioning-correctly-on-zoo-series-what-the-hell-tp4471654p4473011.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.