Got it Gabor, Thank you very much.
Denis Le 06-10-19 à 10:38, Gabor Grothendieck a écrit : > For your second question: > > x <- chron(1) > x <- chron(x, out.format = ddmmyyyy) > > using the ddmmyyyy from below. > > On 10/19/06, Gabor Grothendieck <[EMAIL PROTECTED]> wrote: >> As discussed the Help Desk article in R News 4/1, the 2 vs 4 year >> length is controlled by the chron.year.abb option, e.g. >> >> options(chron.year.abb = FALSE) >> chron(20) >> >> however, as also discussed there its not really recommended that >> you use this option so try this instead: >> >> ddmmyyyy <- function( x ) >> with( month.day.year( x ), sprintf( "%02.f-%02.f-%04.f", day, >> month, year) ) >> chron( 20, out.format = ddmmyyyy ) >> >> >> >> >> On 10/19/06, Denis Chabot <[EMAIL PROTECTED]> wrote: >> > Dear R users, >> > >> > Do you know of a way to precise an out.format for a chron object >> that >> > would use numbers for months and yet 4 digits for the year? >> > >> > I have tried out.format=c("d-m-year") (note the m instead of either >> > mon or month) but got 27-Feb-1992. >> > >> > Also, the help for chron tells us how to define an out.format >> when we >> > create a chron object, but how can you change the out.format of an >> > existing chron object? >> > >> > Thanks in advance, >> > >> > Denis >> > >> > ______________________________________________ >> > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.