On Fri, 20 Jul 2018, David Winsemius wrote:
wy2016$dt_time <- with( wy2016, as.POSIXct( paste( date, time ) , format= "%Y-%m-%d %H:%M") )
David/Bill/Eric: Thank you all. I found the typos which covered a single day toward the end of the dataframe. Carpe weekend, 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.