Not sure what the issue is with the provided code but note: library(lubridate) lubridate::dmy_hm("Thu, 25 Aug 2016 6:34 PM") [1] "2016-08-25 18:34:00 UTC"
Though if you go that route: set the TZ because on the timestamp it is ambiguous. On Sun, Sep 11, 2016 at 10:57 PM, Chris Evans <chrish...@psyctc.org> wrote: > I am trying to read activity data created by Garmin. It outputs dates like > this: > > "Thu, 25 Aug 2016 6:34 PM" > > The problem that has stumped me is this: > > > strftime("Thu, 25 Aug 2016 6:34 PM",format="%a, %d %b %Y %I:%M %p") > Error in as.POSIXlt.character(x, tz = tz) : > character string is not in a standard unambiguous format > > I _thought_ I had this running OK but that error is catching me now. I > think I've read ?strftime and written that format string correctly to match > the input but I'm stumped now. > > Can someone advise me? Many thanks in advance, > > Chris > > > > sessionInfo() > R version 3.3.1 (2016-06-21) > Platform: x86_64-w64-mingw32/x64 (64-bit) > Running under: Windows 10 x64 (build 10586) > > locale: > [1] LC_COLLATE=English_United Kingdom.1252 > [2] LC_CTYPE=English_United Kingdom.1252 > [3] LC_MONETARY=English_United Kingdom.1252 > [4] LC_NUMERIC=C > [5] LC_TIME=English_United Kingdom.1252 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > loaded via a namespace (and not attached): > [1] compiler_3.3.1 tools_3.3.1 > > > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.