[R] stop()

[Doran, Harold]

Thank you, Greg. This indeed works well for this purpose.

> -----Original Message-----
> From: Greg Snow [mailto:Greg.Snow at imail.org]
> Sent: Tuesday, October 11, 2011 4:27 PM
> To: Doran, Harold; r-help at r-project.org
> Subject: RE: stop()
> 
> Replace "stop()" with "break" to see if that does what you want.  (you may
> also want to include "cat()" or "warn()" to indicate the early stopping.
> 
> --
> Gregory (Greg) L. Snow Ph.D.
> Statistical Data Center
> Intermountain Healthcare
> greg.snow at imail.org
> 801.408.8111
> 
> 
> > -----Original Message-----
> > From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> > project.org] On Behalf Of Doran, Harold
> > Sent: Tuesday, October 11, 2011 11:32 AM
> > To: r-help at r-project.org
> > Subject: [R] stop()
> >
> > Suppose I have a function, such as the toy example below:
> >
> > myFun <- function(x, max.iter = 5) {
> >                for(i in 1:10){
> >                result <- x + i
> >                iter <- i
> >                if(iter == max.iter) stop('Max reached')
> >                }
> >                result
> >                }
> >
> > I can of course do this:
> > myFun(10, max.iter = 11)
> >
> > However, if I reach the maximum number of iterations before my
> > "algorithm" has finished (in my real application there are EM steps for
> > a mixed model), I actually want the function to return the value of
> > "result" up to that point. Currently using stop(), I would get
> >
> > > myFun(10, max.iter = 4)
> > Error in myFun(10, max.iter = 4) : Max reached
> >
> > But, in this toy case the function should return the value of "result"
> > up to iteration 4.
> >
> > Not sure how I can adjust this.
> >
> > Thanks,
> > Harold
> >
> >
> >
> > 	[[alternative HTML version deleted]]
> >
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