First, be sure your R and the R associated with Rstudio are the same R 
versions.  In Rstudio, check  Tools -> Options -> R version.  It looks as 
if your R-studio is running the 32-bit version of R.




Aayush Raman <ayushra...@gmail.com> 
Sent by: r-help-boun...@r-project.org
03/09/2012 07:11 AM

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r-help@r-project.org
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Subject
[R] R versus R Studio output differences






Hi Everyone,

I ran the same code in R and in R-studio, but got two different results.
Does anybody know why this is occurring, and if there is a fix for this?
and which is the "correct" program to use ?

Some information about the code I am running: I am running the fisher test
and it seems that the p-values are similar but not same for example, for 
an
event A the p-value coming from the R-Studio is around 10^-58 and with R 
it
is 10^-135.

Also, I am running the Rstudio on Mac and R through linux server. They 
both
are 64 bit. I am finding it for the first time and I am really surprised 
by
its weirdness.

-Best,
Aayush Raman

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