On Fri, 20 Jul 2018, Rich Shepard wrote:
Thank you all. I found the typos which covered a single day toward the end of the dataframe.
FWIW, all these data came from PDF reports and had to be manually highlighted and pasted into a text file. Given 29 years of hourly (and sometimes half-hourly) reports I'm not suprised that I made errors now and then. Regards, Rich ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
