Dear all,
I initially ran into this problem while rebuilding a package dependent on
nleqslv. I got the following error:
Error in match.arg(global) : 'arg' must be of length 1
This didn't occur in previous versions of nleqslv, but did in the current
one (2.4). I think I pinned the problem down to the following example:
Take two functions:
test <- function(x=c("q","r","s"),global=c("d","e","r","z","q")){
x <- match.arg(x)
global <- match.arg(global)
return(list(x,global))
}
test2 <- function(x=c("q","r","s"),global=c("d","z","q")){
test(x=x,global=global)
}
test2() calls an "internal" function test() that uses the same arguments.
Note that for x both functions have exactly the same defaults, but not for
global.
Calling test2() gives the reported error:
> test2()
Error in match.arg(global) : 'arg' must be of length 1
I see the point of this error (global is not seen by test2() as default
settings but as a character vector I presume), but I wonder why this isn't
the case for x. Is this by design? If so, is there a part of the manual I
overlooked?
Cheers
Joris
--
Joris Meys
Statistical consultant
Ghent University
Faculty of Bioscience Engineering
Department of Mathematical Modelling, Statistics and Bio-Informatics
tel : +32 9 264 59 87
joris.m...@ugent.be
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