[R] Generate a function

Uwe Ligges ligges at statistik.uni-dortmund.de
Fri Jul 22 12:51:47 CEST 2005

herodote at oreka.com wrote:

> hi all,
> I need to generate a function inside a loop:
> tmp is an array

Well, a 1-d array, or better say a vector of length 10, given the code 
below is correct.

> for (i in 1:10)
> {
> func<- func * function(beta1) dweibull(tmp[i],beta1,eta)
> }
> because then i need to integrate this function on beta.
> I could have written this :
> func<-function(beta1) prod(dweibull(tmp,beta1,eta)) (with eta and beta1 set)
> but it is unplottable and no integrable... i could make it a bit different but if i do that ( prod(tmp)=~Inf ) i'm stuck.
> I've looked in R-poetry and i didn't find anything usefull.
> I think i have a problem with how i tell R my function is, R seems to think it is a function like programmers do but not a f(x) function.

Please specify a reproducible example (as the posting guide asks to do), 
that means including the values for tmp, beta1 and eta.
Then we might be able to explain where you have your problems.

Uwe Ligges

> Thks 
> guillaume
> ////////////////////////////////////////////////////////////
> // Webmail Oreka : http://www.oreka.com
> ////////////////////////////////////////////////////////////
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

More information about the R-help mailing list