This behavior is a property of the chron package, not R. The help file does say the format should include a permutation of h, m, and s, not a selection of them. Look at the code chron and you will see several places where is it assumed that the formats and time strings have exactly three parts.
There are better time/date formats in R. chron was the first, dating in S to the late 1980's, IIRC. Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf > Of stephen sefick > Sent: Wednesday, May 01, 2013 10:55 AM > To: arun > Cc: R help > Subject: Re: [R] Chron format question h:m not working > > Thanks for the quick replies. I have this working with a similar > suggestion to what arun suggests. I am just interested in why the option > to use just h:m isn't supported. > > #re: Jeff > chron(dates.="2009/05/01", times.="15:00:00", format=c(dates=c("y/m/d"), > times="h:m:s")) > chron(dates.="2009/05/01", times.="15:00", format=c(dates=c("y/m/d"), > times="h:m")) > > same outcome. > > Does updating to R 3.0.0 solve the problem? > > Thanks for all of the help. > > Stephen > > > > On Wed, May 1, 2013 at 12:36 PM, arun <smartpink...@yahoo.com> wrote: > > > HI, > > > > One possible way would be to use paste() > > chron(times.=paste0("15:00",":00"),format=c(times="h:m:s")) > > #[1] 15:00:00 > > > > > > #or you could use > > > > library(lubridate) > > hm("15:00") > > #[1] "15H 0M 0S" > > A.K. > > > > > > > > ----- Original Message ----- > > From: Stephen Sefick <sas0...@auburn.edu> > > To: "r-help@r-project.org" <r-help@r-project.org> > > Cc: > > Sent: Wednesday, May 1, 2013 12:28 PM > > Subject: [R] Chron format question h:m not working > > > > R 2.12.2 on Scientific Linux 6.4 > > > > #works > > chron(times.="15:00:00", format=c(times="h:m:s")) > > > > #doesn't work > > chron(times.="15:00", format=c(times="h:m")) > > > > From chron Manual: > > The times format can be any permutation of "h", "m", and "s" separated by > > any one non-special character. The default is "h:m:s". > > > > what am I missing? > > > > many thanks, > > > > > > -- Stephen Sefick > > ************************************************** > > Auburn University > > Biological Sciences > > 331 Funchess Hall > > Auburn, Alabama > > 36849 > > ************************************************** > > sas0...@auburn.edu > > http://www.auburn.edu/~sas0025 > > ************************************************** > > > > Let's not spend our time and resources thinking about things that are so > > little or so large that all they really do for us is puff us up and make us > > feel like gods. We are mammals, and have not exhausted the annoying little > > problems of being mammals. > > > > -K. Mullis > > > > "A big computer, a complex algorithm and a long time does not equal > > science." > > > > -Robert Gentleman > > > > ______________________________________________ > > 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. > > > > > > ______________________________________________ > > 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. > > > > > > -- > Stephen Sefick > ____________________________________ > | Auburn University | > | Department of Biological Sciences | > | 331 Funchess Hall | > | Auburn, Alabama | > | 36849 | > |___________________________________| > | sas0...@auburn.edu | > | http://www.auburn.edu/~sas0025 | > |___________________________________| > > Let's not spend our time and resources thinking about things that are so > little or so large that all they really do for us is puff us up and make us > feel like gods. We are mammals, and have not exhausted the annoying little > problems of being mammals. > > -K. Mullis > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. ______________________________________________ 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.
