Re: [R] Equivalent of 'Retain' statement in R

From: Peter Dalgaard <P.Dalgaard_at_biostat.ku.dk>
Date: Mon, 21 May 2007 17:37:30 +0200

Shubha Vishwanath Karanth wrote:
> What is the equivalent keyword for 'retain' statement of SAS in R?
>
>
There is none. This is strongly linked to the sequential operation of the DATA step i SAS and R just does things differently. The lag() function sometimes helps, but you may need an explicit for() loop, or rethink the operation in vectorized terms.

-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
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