[R] Re: system.time(), sys.time() etc

Spencer Graves spencer.graves at pdf.com
Thu Feb 26 15:41:54 CET 2004

      Martin says, "This is another instance of S-Plus following R 
behind and doing it incompatibly [with a reason?] ... ."

      This is one example of a major issue in "how to wage and win a 
standards war", discussed by Shapiro and Varian (1998) Information Rules 
(Harvard Business School Press).  Whether you're Bill Gates or Larry 
Ellison, you want to make it easy for people to move to your product 
from a competitor but expensive for your current customers to escape to 
the competition. 

      Spencer Graves

Martin Maechler wrote:

>>>>>>"AndyL" == Liaw, Andy <andy_liaw at merck.com>
>>>>>>    on Tue, 17 Feb 2004 13:03:36 -0500 writes:
>    AndyL> Just do 
>    AndyL> system.time <- sys.time
>    AndyL> and you're good to go in S-PLUS (at least in 6.x).
>yes.  This is yet another instance of S-Plus following R behind
>and doing it incompatibly [with a reason ?]
>{the first one I know being sd() vs stdev()}.
>The historical names in S and S-PLUS where
>unix.time() , then came dos.time()
>whereas in R we've used system.time() from the very beginning.

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