[R] monitor variable change

[Rainer M Krug]

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On 02/16/2011 10:38 AM, Alaios wrote:
> Dear all I would like to ask you if there is a way in R to monitor in R when a value changes. 
> 
> Right now I use the sprintf('my variables is %d \n, j) to print the value of the variable. 
> 
> Is it possible when a 'big' for loop executes to open in a new window to dynamically check only the variable I want to.

I don't think that this functionality is implemented.

But I guess you can implement it - would it be possible to re-define th
"<-" to check if a certain variable is to be changed, and then print it?

Might be tricky and would slow everything considerably down.

Just a thought,

Rainer

> 
> If I put all the sprintf statements inside my loop then I get flooded with so many messages that makes it useless.  
> 
> Best Regards
> Alex
> 
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Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
Biology, UCT), Dipl. Phys. (Germany)

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