[R] RE : Re: Progress in a loop

[Florent Bresson]

Thanks, it is exactly what I was looking for.

Florent Bresson

--- Gavin Simpson <gavin.simpson at ucl.ac.uk> a écrit :

> On Wed, 2006-07-19 at 16:12 +0200, Florent Bresson
> wrote:
> > Hi, I have to use a loop to perform a quite
> computer
> > intensive estimation and I would like to know the
> > progress of the loop during the process. I tried
> to
> > include something like
> > 
> >   print(paste(k,date(),sep=" : "))
> > 
> > where k is the number of the iteration, but the
> result
> > appears only at the end of the loop. Can someone
> help
> > me please ?
> 
> Windows I assume - you are asked to provide some
> rudimentary information
> about your system when asking for help as the
> posting guide states.
> 
> You need to use flush.console() on Windows, as in:
> 
> dat <- matrix(runif(20), ncol = 2)
> res <- numeric(length = 10)
> for(i in 1:10) {
>    res[i] <- sum(dat[i, ])
>    cat(paste("Iteration #:", i, "-", date(), "\n"))
>    flush.console()
> }
> 
> Depending on how you want the printed statements to
> appear on the
> screen, you'd be better off with cat not print,
> e.g.: 
> 
> cat(paste(k,date(),sep=" : "))
> 
> If this isn't the solution, post a reply containing
> information about
> your R version, OS, and a reproducible example
> (simple code & data as I
> did) to show us the problem.
> 
> HTH
> 
> G
> -- 
>
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>  Gavin Simpson                 [t] +44 (0)20 7679
> 0522
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> 



	

	
		
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