Hi, How about ?IDateTime. Matthew On Tue, 2011-07-26 at 14:07 -0400, Chris Neff wrote: > Hi all, > > > I often have a date index in a data frame that I don't really care to > keep as a time series because I don't do any sort of smoothing or > anything, but I prefer to keep it as a date class (or POSIXct or > whatever) so I can do things like only get data past a certain date, > or so plots will format correctly. > > > I've found that any time I time to make a date class a key variable it > complains that it can't be converted to integer without losing > information. I've had to resort to saving them as factors and then > using as.POSIXct whenever i want them as dates, which is annoying and > error prone. > > > Does anyone have a better way? POSIXct supports all standard equality > functions, and (I'm pretty sure) you can just convert into unix > seconds without losing anything, so why does it complain? > > > -Chris > _______________________________________________ > datatable-help mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
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