R help - Oct 2010 - printing a variable during a loop

Hello,

About looping, consider the example:

for (i in 1:23194) {
dat.stat[i,c(2:8)]<-quantile(dat.bat[BL==block[i],2],prob=c(0,0.025,0.25,0.5,0.75,0.975,1))
print(i)
}

I'd like to have the value of "i" printed for each loop (step). As
I
could see the values of "i" are shown on screen only after all the  
work is done.

Thanks in advance for any suggestion.

Best regards,

Antonio

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Webmail - iBCMG Internet
http://www.ibcmg.com.br

instead of print use this

message(i)

the message command is used for things like this and it will print the value
of i as you are looping through, but you can also do this:

message("Counter value is: ",i)

which returns for i = 20 for example

"Counter value is 20"

for more check out the message help section in the html

? message


Adrienne Wootten
NCSU

On Thu, Oct 21, 2010 at 2:05 PM, Antonio Olinto
<aolinto_r@bignet.com.br>wrote:
> Hello,
>
> About looping, consider the example:
>
> for (i in 1:23194) {
>
>
dat.stat[i,c(2:8)]<-quantile(dat.bat[BL==block[i],2],prob=c(0,0.025,0.25,0.5,0.75,0.975,1))
> print(i)
> }
>
> I'd like to have the value of "i" printed for each loop
(step). As I could
> see the values of "i" are shown on screen only after all the work
is done.
>
> Thanks in advance for any suggestion.
>
> Best regards,
>
> Antonio
>
> ----------------------------------------------------------------
> Webmail - iBCMG Internet
> http://www.ibcmg.com.br
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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