[R] Competing with SPSS and SAS: improving code that loops throughrows (data manipulation)

hadley wickham h.wickham at gmail.com
Sat Mar 27 18:40:28 CET 2010


>  exp1^(a[case] * l * 10)
>
> would be better written out of the loop as
>
>  b <- exp1^(a * l * 10)

And even better as

b <- exp(a * l * 10)

Hadley


-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/



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