On Thu, Feb 3, 2011 at 1:26 PM, Albert-Jan Roskam <fo...@yahoo.com> wrote:
> Hi,
>
> I have a function myFun which I want to call multiple times, using
> different
> argument lists.
> myFun("v1", "2009", 1)
> myFun("v2", "2008", 1)
> myFun("q", "2001")
>
Notice that the third call is different, you have 3 args in first two but
only 2 in the third one. But you have to represent the missing argument
somehow (probably just using the default value explicitly, see args(myFun)
).
> How can I easily do this in R? Should I use mapply?
>
> I unsuccessfully tried something like:
> x <- list(c("v1", "2009", 1), c("v2", "2008", 1), c("q", "2001"))
> mapply(myFun, x)
>
try
mapply(myFun, list("v1", "v2", "q"), list("2009", "2008", "2001"), list(1,1,
SOMETHING))
Regards,
Kenn
>
> Eventually, the argument lists will have to be stored in, and read from, an
> external configuration file (I'm thinking about using yaml), although this
> might
> at this point not yet be relevant.
>
> TIA!
> Cheers!!
> Albert-Jan
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> All right, but apart from the sanitation, the medicine, education, wine,
> public
> order, irrigation, roads, a fresh water system, and public health, what
> have the
> Romans ever done for us?
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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>
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>
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