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st: Re: RE: may I run -lowess- in a faster way?
Dear Nick:
thank you very much.
So, I�ll do this! (using rtcspline).
Jos� Maria
Jose Maria Pacheco de Souza, Professor Titular (aposentado)
Departamento de Epidemiologia/Faculdade de Saude Publica, USP
Av. Dr. Arnaldo, 715
01246-904 - S. Paulo/SP - Brasil
fones (11)3061-7747; (11)3714-2403
fax (11)3714-2403
www.fsp.usp.br/~jmpsouza
----- Original Message -----
From: "Nick Cox" <[email protected]>
To: <[email protected]>
Sent: Thursday, September 18, 2008 3:06 PM
Subject: st: RE: may I run -lowess- in a faster way?
Don't do that then!
<http://catb.org/jargon/html/D/Don-t-do-that-then-.html>
. u auto
(1978 Automobile Data)
. set rmsg on
r; t=0.00 18:50:22
. set more off
r; t=0.02 18:50:35
. expand 1000
(73926 observations created)
r; t=0.06 18:50:40
. lowess mpg weight
r; t=659.56 19:01:47
. rcspline mpg weight
r; t=7.58 19:02:17
i.e. -rcspline- is ~100 times faster, in one experiment.
Install -rcspline- from -ssc-. Requires version 10.
Nick
[email protected]
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