[R] Formula variable help

[Joshua Wiley]

Seems like it could work---can you save your script as a .txt file and
send it as an attachment, upload it online, or make a reproducible
example?

Cheers,

Josh

On Fri, Nov 11, 2011 at 9:52 AM,  <rkevinburton at charter.net> wrote:
>
> I have an R script with the following applicable lines:
>
>                xshort <- window(s, start=st, end=ed)
> . . .
>                xshort <- ts(xshort, frequency=1, start=1)
> . . .
>                m1 <- m2 <- m3 <- m4 <- m5 <- m6 <- NULL
>                m1 <- tslm(xshort ~ trend)
>
> I get an error:
>
> Error in get(dataname) : object 'xshort' not found
>
> When I do traceback() I get:
>
> 3: get(dataname)
> 2: tslm(xshort ~ trend) at #19
> 1: model.cross.validation(l[["MEN"]]$series)
>
> Which points to the call to tslm above.  Since I am not supply 'data' to
> the tslm call (in the forecast package),, I am assuming that the code is
> dying here (in tslm):
>
>     if (missing(data)) {
>         dataname <- as.character(formula)[2]
>         x <- get(dataname)
>         data <- data.frame(x)
>         colnames(data) <- dataname
>     }
>
> Any ideas what is failing?
>
> Kevin
>
>        [[alternative HTML version deleted]]
>
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>



-- 
Joshua Wiley
Ph.D. Student, Health Psychology
Programmer Analyst II, ATS Statistical Consulting Group
University of California, Los Angeles
https://joshuawiley.com/