[R] Looking for R Equivalent of Gauss Statements

[Marlene Mueller]

R is very similar to Gauss for this kind of task.
Try:

   e1 <- x[,23] == 0
   e2 <- x[,12] > 1
   e3 <- x[,4] < 15
   e  <- e1 | e2 | e3   # e1 or e2 or e3
   x  <- x[!e,]         # keep if NOT e

Hope that helps,
Marlene



Francisco J. Bido wrote:
> Hi,
> 
> I am translating some Gauss code to R.  Gauss has an interesting way of 
> handling constraints.  Observe the following code snipplet:
> 
> e1 = x[.,23] .eq 0;  @ remove obs with Regular Hours = 0 @
> e2 = x[.,12] .gt 1;   @ remove obs with non-regular work status @
> e3 = x[.,4] .lt 15;    @ remove obs with agricultural and mining 
> industry code (< 15)@
> esum = e1 + e2 + e3;
> e = esum .gt 0;      @ remove obs that fail all three of the above tests @
> x = delif(x,e);
> 
> I'm hoping that the above is self explanatory.    Currently I am using 
> the  "subset" command in R to compute e1, e2, e3 but the rest is tricky: 
> the actual code has several additional constraints and I'm ending up 
> with some very ugly buggy code.   Is there a straightforward way to do 
> this in R?
> 
> Thanks,
> -Francisco
> 
> ______________________________________________
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> 
> 


-- 
PD Dr. Marlene Müller
Fraunhofer ITWM Kaiserslautern, Abt. Finanzmathematik
mailto:Marlene.Mueller at itwm.fraunhofer.de, Tel/Fax: +49 631 205 4189/4139
http://www.itwm.fhg.de/index.php?abt=fm/employees/mueller&inc=mueller