Hi David, On Sat, Mar 5, 2011 at 11:00 PM, David Winsemius <dwinsem...@comcast.net> wrote: > > On Mar 5, 2011, at 11:28 AM, Joshua Ulrich wrote: > >> Hi Chris, >> >> Perhaps something like this? >> >> require(xts) >> ds <- options(digits.secs=6) # so we can see sub-seconds >> x <- xts(1:10, as.POSIXct("2011-01-21") + c(1,1,1,2:8)/1e3) >> x >> indexFormat(x) <- "%H:%M:%OS3" >> x >> > > Joshua; > > Does your reading of help(indexFormat) lead you to that suggestion? When I
I didn't read the documentation. I remembered the functionality from conversations with Jeff Ryan. > read it I thought that indexFormat would only accept onoe of " Date, > POSIXct, chron,yearmon, yearqtr or timeDate." Those were the formats Those are the classes available to use with indexClass<-, which controls the class returned by index(). > mentioned in the immediately preceding paragraph. I went to the help page > hoping I would be told I could use format strings but left it thinking that > I could only specify format classes. > We could probably make the use of format strings more explicit (via an example?). Do you have any suggestions to help clarify the prose? > -- > David > > Best, -- Joshua Ulrich | FOSS Trading: www.fosstrading.com >> Hope that helps, >> -- >> Joshua Ulrich | FOSS Trading: www.fosstrading.com >> >> >> >> On Fri, Mar 4, 2011 at 5:57 PM, rivercode <aqua...@gmail.com> wrote: >>> >>> Hi, >>> >>> I cannot figure out how to change the index format when displaying >>> POSIXct >>> objects. >>> >>> Would like the xts index to display as %H:%M:%OS3 when doing viewing the >>> xts >>> object. >>> >>> Think I am missing the obvious. >>> >>> Cheers, >>> Chris >>> >>> -- >>> View this message in context: >>> http://r.789695.n4.nabble.com/xts-POSIXct-index-format-tp3336136p3336136.html >>> Sent from the R help mailing list archive at Nabble.com. >>> >>> ______________________________________________ >>> 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. > > David Winsemius, MD > Heritage Laboratories > West Hartford, CT > > ______________________________________________ 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.