hmmm. I'm using xts_0.8-3 revision 602 on R-Forge, and it *almost* works for me, but the time is off by an hour
> xts(1, order.by=strptime("04/05/87 2:00",format="%m/%d/%y %H:%M")) [,1] 1987-04-05 01:00:00 1 > -Garrett On Fri, Sep 23, 2011 at 7:33 AM, Dan Potter <arsanalyt...@gmail.com> wrote: > Thank you Wolfgang. On my machine sessionInfo shows I am using xts > version 0.8-2 - > I think it is the latest one, see > http://cran.r-project.org/web/packages/xts/index.html > Maybe someone can confirm correct operation in 0.8-2. Could this be a > Revo/base R version issue? > > > sessionInfo() > R version 2.12.2 (2011-02-25) > Platform: i386-pc-mingw32/i386 (32-bit) > > locale: > [1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United > States.1252 LC_MONETARY=English_United States.1252 > [4] LC_NUMERIC=C LC_TIME=English_United > States.1252 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] dplR_1.4.7 xts_0.8-2 zoo_1.7-2 Revobase_4.3.0 > RevoMods_4.3.0 RevoScaleR_1.2-0 lattice_0.19-23 > > > On Fri, Sep 23, 2011 at 8:15 AM, Wolfgang Wu <wobw...@yahoo.de> wrote: > > > > Hmmm works fine for me. > > > > xts(1, order.by = strptime("04/05/87 2:00",format="%m/%d/%y %H:%M")) > > > > [,1] > > 1987-04-05 02:00:00 1 > > > > Maybe an old version of xts? I am using xts version 0.8-0. (you can check > that with sessionInfo().) > > > > Regards, > > > > Wolfgang Wu > > > > > > > > > > ----- Ursprüngliche Message ----- > > Von: Dan Potter <arsanalyt...@gmail.com> > > An: r-sig-finance@r-project.org > > Cc: > > Gesendet: 12:51 Freitag, 23.September 2011 > > Betreff: [R-SIG-Finance] xts NA date for > > > > Hello All, > > I am new to R and having an issue with xts when I try and used it with > > certain dates and times in 1987. > > > > Example > > > > > # This date and time works > > > xts(1, order.by = strptime("04/05/87 12:00",format="%m/%d/%y %H:%M")) > > [,1] > > 1987-04-05 12:00:00 1 > > > > # This date and time do not work > > > xts(1, order.by = strptime("04/05/87 2:00",format="%m/%d/%y %H:%M")) > > [,1] > > <NA> 1 > > > > I don't think the issue is with strptime since it seems to work fine > > on the offending date and time, i.e. > > > strptime("04/05/87 02:00",format="%m/%d/%y %H:%M") > > [1] "1987-04-05 02:00:00" > > > > Any suggestion or work arounds would be appreciated. > > > > Thanks, > > Dan > > > > _______________________________________________ > > R-SIG-Finance@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-sig-finance > > -- Subscriber-posting only. If you want to post, subscribe first. > > -- Also note that this is not the r-help list where general R questions > should go. > > > > _______________________________________________ > R-SIG-Finance@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-sig-finance > -- Subscriber-posting only. If you want to post, subscribe first. > -- Also note that this is not the r-help list where general R questions > should go. > [[alternative HTML version deleted]]
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