Jacques Wagnor wrote: > A follow-up question: The example in ?attr uses a character string of > "dim." Besides "dim" and "times," what other character strings are > available or can be used? Ah, it's not limited to those. Any character string would do (guru caveats aside). I suspect my narrow answer to your question might lead you astray, perhaps you should cut to the chase and ask how to get your data file into which function in evir . . .
Cheers, Mike. > > On 5/3/07, Michael Sumner <[EMAIL PROTECTED]> wrote: >> >> Hello, >> >> It seems that "danish" is a numeric vector with attributes attached - >> the attribute vector is POSIXct and is the same length as danish. >> >> You can create this from a data frame like this: >> >> x <- data.frame(Date = ISOdate(2007, 5, 1:10), Value = rnorm(10)) >> str(x) >> 'data.frame': 10 obs. of 2 variables: >> $ Date :'POSIXct', format: chr "2007-05-01 12:00:00" "2007-05-02 >> 12:00:00" "2007-05-03 12:00:00" "2007-05-04 12:00:00" ... >> $ Value: num 1.891 0.741 -0.368 1.701 -0.660 ... >> >> xx <- x$Value >> attr(xx, "times") <- x$Date >> str(xx) >> atomic [1:10] 0.0414 -0.7124 -1.2976 0.3101 0.4343 ... >> - attr(*, "times")='POSIXct', format: chr [1:10] "2007-05-01 12:00:00" >> "2007-05-02 12:00:00" "2007-05-03 12:00:00" "2007-05-04 12:00:00" ... >> >> >> HTH >> >> Cheers, Mike. ______________________________________________ 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.
