... Problem solved (it helps to import data.table into the package...)
Thanks, M
On 03/16/2014 04:02 PM, Michael Smith wrote:
> All,
>
> This is my first post on this list, thanks to all those who have made
> data.table such a wonderful package.
>
> I have a simple function that looks like this (for reproducibility):
>
> myfun <- function() {
> DT <- data.table(a = 1:4, b = 5:8)
> DT[, x := a + 2]
> DT
> }
>
> It works perfectly fine, until I add it to a custom R package that I
> just wrote. If I add it to the package and try to call it, I get the
> following error:
>
>> mypackage::myfun()
> Error in `:=`(x, a + 2) :
> Check that is.data.table(DT) == TRUE. Otherwise, := and `:=`(...) are
> defined for use in j, once only and in particular ways. See help(":=").
>
> Not really sure what's going on here. Any ideas? Is this a bug or am I
> doing something wrong?
>
> Thanks,
>
> M
>
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