I think we just discussed this 2 days ago: https://www.stat.math.ethz.ch/pipermail/r-help/2004-September/055323.html
Waichler, Scott R <Scott.Waichler <at> pnl.gov> writes: : I get faulty output from seq.dates() if I specify a length that is too : long. : For example, I ask for 129 months in the following call to the function, : but it returns : 131: : : > R.version.string : [1] "R version 1.9.1, 2004-06-21" : > startdatetime <- chron(dates="01/01/1995", times="00:00:00") : > beg.month.datetimes <- seq.dates(from=startdatetime, by="months", : length=129) : > beg.month.datetimes : [1] 01/01/95 02/01/95 03/01/95 04/01/95 05/01/95 06/01/95 07/01/95 : 08/01/95 : [9] 09/01/95 10/01/95 11/01/95 12/01/95 01/01/96 02/01/96 03/01/96 : 04/01/96 : [17] 05/01/96 06/01/96 07/01/96 08/01/96 09/01/96 10/01/96 11/01/96 : 12/01/96 : [25] 01/01/97 02/01/97 03/01/97 04/01/97 05/01/97 06/01/97 07/01/97 : 08/01/97 : [33] 09/01/97 10/01/97 11/01/97 12/01/97 01/01/98 02/01/98 03/01/98 : 04/01/98 : [41] 05/01/98 06/01/98 07/01/98 08/01/98 09/01/98 10/01/98 11/01/98 : 12/01/98 : [49] 01/01/99 02/01/99 03/01/99 04/01/99 05/01/99 06/01/99 07/01/99 : 08/01/99 : [57] 09/01/99 10/01/99 11/01/99 12/01/99 01/01/00 02/01/00 03/01/00 : 04/01/00 : [65] 05/01/00 06/01/00 07/01/00 08/01/00 09/01/00 10/01/00 11/01/00 : 12/01/00 : [73] 01/01/01 02/01/01 03/01/01 04/01/01 05/01/01 06/01/01 07/01/01 : 08/01/01 : [81] 09/01/01 10/01/01 11/01/01 12/01/01 01/01/02 02/01/02 03/01/02 : 04/01/02 : [89] 05/01/02 06/01/02 07/01/02 08/01/02 09/01/02 10/01/02 11/01/02 : 12/01/02 : [97] 01/01/03 02/01/03 03/01/03 04/01/03 05/01/03 06/01/03 07/01/03 : 08/01/03 : [105] 09/01/03 10/01/03 11/01/03 12/01/03 01/01/04 02/01/04 03/01/04 : 04/01/04 : [113] 05/01/04 06/01/04 07/01/04 08/01/04 09/01/04 10/01/04 11/01/04 : 12/01/04 : [121] 01/01/05 02/01/05 03/01/05 04/01/05 05/01/05 06/01/05 07/01/05 : 08/01/05 : [129] 09/01/05 10/01/05 11/01/05 : > : : Is this a bug, and can it be fixed? ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
