Thanks Michael. I am a new hand with R so this is over my head. I will
slowly explore all options suggested but for now I'd glad to get one option
to work. How do you 'declare the function into the routine I am sourcing,
i.e., max.calls? Is there something I can read?
On Sat, Oct 3, 2015 at 8:47 AM, Michael Dewey <li...@dewey.myzen.co.uk>
wrote:
> You did put the declaration of the function fn into the file you are
> sourcing, didn't you?
>
> If it were me I would
> 1 - make fn a parameter of max.calls
> 2 - use the ellipsis ... so I could pass other arguments in to MaxLike
> 3 - fix the errors I got from making it a package. It does not lie when it
> tells you things are undefined and, who knows, they may need to be defined.
>
>
> On 03/10/2015 09:47, Steven Yen wrote:
>
>> Hi
>> I collect a list of calls to a package in a function (routine) so that I
>> do
>> not need to repeat the same sets of codes from program to program. In the
>> following, inserting the function into each program works. Then, I place
>> the function elsewhere in a PC folder, and include in with a 'source'
>> command. This does not work; it complains about a function (fn below) not
>> defined.
>> Compiling the function into a library file does not work either (with all
>> sorts of error messages saying this and that not defined).
>> Steven Yen
>>
>> fn <- function(beta){
>> f<-... (define f in this routine)
>> return(f)
>> }
>>
>> max.calls<-function(method){
>> # *******************************************************
>> # Call maxLike with alternative algorithms
>> # *******************************************************
>> many<-c("NR","BFGS","BFGSR","BHHH","SANN","CG","NM")
>> if (method %in% many){
>> ML<-maxLik(logLik=fn,grad=NULL,hess=NULL,start,
>> method,print.level,constraints=NULL, ...)}
>> return(ML)
>> }
>> # This works:
>> ML<-max.calls(method)
>>
>> # Does not work:
>> source("z:\\R\\yenlib\\lib\\max.calls.R")
>> ML<-max.calls(method)
>>
>> Error: object 'fn' not found
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
> --
> Michael
> http://www.dewey.myzen.co.uk/home.html
>
[[alternative HTML version deleted]]
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