Re: [R] Displaying Iteration Count

From: Paul <>
Date: Tue, 22 Jun 2010 20:58:31 +0100

Downey, Patrick wrote:
> Hello,
> I'm running a very long for loop that usually takes hours. For my own piece
> of mind, it would be nice if I could check periodically and see which
> iteration the loop is on. A line of code that told R to print the iteration
> number every 100 or 200 iterations would be perfect.
> Does anyone know something like this? I've never known how to print
> anything within a for loop before the loop ends.
> Thanks,
> Mitch
You can also use message() to print a message to the console during execution (I often do this while debugging functions)

use paste to put the required text together


for(i in 1:10){
#some code
message(paste("Iteration ",i," of 10",sep="")) #more code


Paul. mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Tue 22 Jun 2010 - 20:01:13 GMT

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