[R] function in S

Martin Maechler maechler at stat.math.ethz.ch
Thu Jun 15 11:21:46 CEST 2000

>>>>> "Laura" == Laura Pontiggia <pontla at goose.stat.umn.edu> writes:

    Laura> I have a function in S, and I need to write the same function in
    Laura> R.  Exist a program to translate from S to R ?

I use to say that 97% of S(plus) user written code works unaltered in R.
The problem is with the remaining ones.

The R FAQ (mentioned in the footer of every R-help message)
contains a section on intentional differences between R and S(plus).

You might want to work with just one version of code and use the

	if(is.R()) { ## R 

	} else { ## Splus 


The function is.R (in R) is written such that it should work in all
versions of S.

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