Thanks, that works for me!
On 1 Jan 2008, at 15:47, Uwe Ligges wrote:
>
> baptiste Auguié wrote:
>> Dear all,
>> Happy new year!
>> I posted a very similar question a few days ago, but probably too
>> cluttered. Here is a tidy, minimal version:
>> I want to make a package, with a data.frame d and a function f
>> given below. Now, the function f needs to use the data.frame d. I
>> could (and that's what I've done temporarily) make a local
>> duplicate of this data.frame in the function definition, but it
>> seems silly.
>> I've tried "attach()", "data()", but both fail when running R CMD
>> check with the error
>>> * checking R code for possible problems ... NOTE
>>> f: no visible binding for global variable 'd'
>
>
> This is just a note, you can either ignore it or use a dirty trick
> to circumvent Luke's checks by
> d <- get("d")
> Perhaps it is better to get from the correct environment by
> specifying it.
>
> Uwe
I know you're right, but I have no idea which one to pick: the
environment help page confuses me a lot.
Thanks again,
baptiste
>
>
>> Here is the minimal package skeleton:
>>> d <- data.frame(a=1)
>>>
>>> f <- function(x)
>>> {
>>> data("d")
>>> x+d$a
>>> }
>>>
>>> package.skeleton(list=c("f","d"), name="mypkg")
>> What would be a sensible way to refer to this data inside the
>> package?
>> Best regards,
>> baptiste
>>
_____________________________
Baptiste Auguié
Physics Department
University of Exeter
Stocker Road,
Exeter, Devon,
EX4 4QL, UK
Phone: +44 1392 264187
http://newton.ex.ac.uk/research/emag
http://projects.ex.ac.uk/atto
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