On Sun, Jun 1, 2014 at 5:20 PM, Fred Gruber <fgru...@gmail.com> wrote:
> Hello
> I have noticed that when in the notebook in R mode when you run a function
> that takes a long time and prints status at every loop this output will not
> show in the cell output window until the end of the operation. If I'm in
> python mode and run a print statement in a for loop we get to see the output
> at every loop and not just at the end.
>
> Is there a way to get a similar behavior when running R code? perhaps we can
> use the sink function to redirect the output?
Here's a minimal test case to illustrate the issue:
for (i in 1:5 ) {
print(i)
Sys.sleep(1)
}
Implementing what you want would unfortunately be fairly nontrivial
since currently the output is only got after the output prompt appears
in the output stream.
The R kernel for IPython notebook might solve this problem in a
different way (I don't know) - it would be worth trying.
-- William
>
> thanks
> Fred
>
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--
William Stein
Professor of Mathematics
University of Washington
http://wstein.org
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