Trimmed cross posted addresses (and I apologize for not noticing this when I 
was reviewing it in the moderation queue.)

PLEASE READ THE POSTING GUIDE. Sujit Das.

On Mar 9, 2013, at 8:02 AM, Sujit Das wrote:

> Dear Sir / Madam,
> I am using R Programming Language Version 2.15.1 (2012-06-22) for sometime
> in a 32 bit PC running Windows OS (Platform: i386-pc-mingw32/i386
> (32-bit)).
> 
> During the execution / interpretation of the R script, sometimes it is
> found that behavior of the program is not consistent with the program
> structure.
> 
> For example, it has been seen that, even if a condition inside an IF
> statement is not TRUE, the sequence of statements enclosed by parentheses {
> }, which follows IF statement is executed. And this should not be the case.
> 
> May I know the exact reason for such kind of Erroneous behavior of the R
> program?

Most likely user error. You are asked to provide a coded example to support any 
behavior that you suspect to be a bug. At the moment the "betting money" 
(colloquial English for an informed Bayesian prior)  appears to be that you are 
making a test for numerical equality and don't really understand how to do this 
properly.

> 
> Is it the flaw in the Design of R Interpreter or there is some other reason
> behind that?
> 
> Though as a user of R Programming Language, I understand that R is free
> software and comes with ABSOLUTELY NO WARRANTY.

In particular there is no warranty that user errors will be detected.

-- 

David Winsemius
Alameda, CA, USA

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