Hello, All:
Does anyone know how to defeat buffering of output to the console
from Rgui? I routinely print progress reports to the console from
within Rterm running under Emacs with ESS (Emacs Speaks Statistics);
see the example below. However, when I run the same example under Rgui,
it queues all the output until the computations are complete.
How can I monitor the progress of computations in both Rgui and
Rterm?
Consider the following:
for(i in 1:1e7){
tst <- sin(i)
if((i%%1e5)==0)cat(i, "")
if((i%%1e6)==0)cat('\n')
}
For Rterm 2.15.1 running under Emacs with ESS (Emacs Speaks
Statistics), this prints 10000, then pauses before printing 200000,
etc., until it gets to 1000000, printing 10 numbers in each row.
However, in Rgui 2.15.1, it queues all the numbers and prints
them all together when it completes the computation. The following is
similar:
for(i in 1:1e7){
tst <- sin(i)
if((i%%1e5)==0)print(i)
if((i%%1e6)==0)cat('\n')
}
sessionInfo()
R version 2.15.1 (2012-06-22)
Platform: i386-pc-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_United States.1252
[2] LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C
[5] LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
Thanks,
Spencer
On 6/28/2012 9:07 AM, Petr PIKAL wrote:
Hi
Thanks for your reply Jon.
I need to actually do more than print the name of the variable (I just
made
the example simpler). I need to manipulate var_1, var_2 etc. but setting
values of NA to 0.
Why? R has pretty strong system for handling NAs. The only exception AFAIK
is cumsum
x<-1:10
sum(x)
[1] 55
x[5]<-NA
sum(x)
[1] NA
sum(x, na.rm=T)
[1] 50
cumsum(x)
[1] 1 3 6 10 NA NA NA NA NA NA
So as you said, "1. if you want to "display" the variable, just type it
var_1
"
But how do I do this in a loop where the number portion of var is the
counter in the loop?
You probably shall get familiar with list concept which is another strong
feature of R. You can easily subset lists either by *apply functions or in
for cycle just by indexing.
Thanks!
Kat
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--
Spencer Graves, PE, PhD
President and Chief Technology Officer
Structure Inspection and Monitoring, Inc.
751 Emerson Ct.
San José, CA 95126
ph: 408-655-4567
web: www.structuremonitoring.com
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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