It would help if you consulted the docs, in this case, **The R
Language Definition** and, in particular, 4.3.2 on argument matching.
I won't repeat what it is there, but I believe it will suffice to
dispel your confusion.
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Fri, May 8, 2020 at 7:49 AM Roman Olson <romanol...@yonsei.ac.kr> wrote:
>
> Dear All,
>
> I am wondering whether function arguments autocomplete causes a bug when
> additional ellipsis arguments are used.
>
> Example:
> a = function(robot) {
> cat(robot, "\n")
> }
> a(r=5) prints 5, meaning that r is autocompleted to “robot”. Not sure if this
> is normal behavior, but this does not cause problems.
>
> This would be fine, but somehow causes problems when there is an additional
> ellipsis argument that can be used to autocomplete an already existing
> argument. In the example below, when we are calling sens.analysis.all,
> everything starting with q is an additional argument (…). Now, k is missed
> completely. And that is because there is another actual argument that starts
> with k — key.legend.axes (it is assigned to 4 instead). If “k=4” is changed
> to “kk=4” the problem disappears.
>
> sens.analysis.all <- function(func, outgrid, parvec, parmin, parmax,
> length.pgrid, outvname, zlim, plabs,
> gridlab, mylog, outlog=FALSE, ytick=NULL,
> xline=NULL, yline=NULL, mypal=topo.colors,
> key.legend.axes=NULL, plot.guidance=FALSE, ...
> ) {
>
> cat(..1, "\n")
> cat(..2, "\n")
> cat(..3, "\n")
>
> out=1
> out
> }
>
> out = sens.analysis.all(numer.wait.times.wrps, NA,
> c(5.4, 0.008, 1.5), c(4.9, 0.0079, 2.0), c(5.5, 0.0090, 3.5),
> length.pgrid=10, outvname="cvs", zlim=c(0.3, 2),
> plabs=c("mu", "lambda", "b"), gridlab="Soil Moisture [mm]",
> mylog=FALSE, outlog=FALSE, yline=2, plot.guidance=FALSE, q=3.1, k=4,
> y.c=670,
> realgrid=seq(630, 670, by=4), myseed=0,
> nt=1000000, burnin=300000, bin.cutoff=500,
> bdW.prelim=prec.struct.Mal)
> ______________________________________________
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