The usual way I filter is: KL$Dt <- as.Date( KL$date, format='%d-%m-%y' ) KL2 <- KL[ !is.na( KL$Dt ), ]
-- Sent from my phone. Please excuse my brevity. On June 10, 2017 10:17:52 PM PDT, Jeff Newmiller <[email protected]> wrote: >You are using a slash in your format string to separate sub-fields but >your data uses a dash. ______________________________________________ [email protected] 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.
