Do you mean things like treatment of categorical variables in regression
procedures (which have different defaults in different procedures in SAS),
and different default as to the reference category in logistic regression?

Jeremy



On 29 August 2011 04:46, n <nikhil.abhyankar@gmail.com> wrote:

> Hello all,
>
> I am looking for theories and statistical analyses where the defaults
> employed in R and SAS are different. As a result, the outputs under
> the defaults should (at least slightly) differ for the same input.
>
> Could anyone kindly point any such instance?
>
> Thanks
>
> Nikhil
>
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