[R] How to count the number of parameters in a function

[Torsten Hothorn]

On Wed, 9 Apr 2003 arnaud_amsellem at ssga.com wrote:

> I have the following function:
> Myfunc <- function(var1,var2,.....,varN)
> { .....
> }
> In the above function I have a variable number of parameters (N>2). How can
> I count how many parameters have been entered?
>

using `lm' as example:

length(formals(lm))

best,

Torsten

> Any help appreciated
>
> Thanks
>
> Arno
>
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