Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.soft-sys.math.mathematica > #2557

Re: Question about DurbinWatsonD

From richard i pelletier <bitbucket@comcast.net>
Newsgroups comp.soft-sys.math.mathematica
Subject Re: Question about DurbinWatsonD
Date 2011-05-21 10:46 +0000
Organization Steven M. Christensen and Associates, Inc and MathTensor, Inc.
Message-ID <ir856q$bdj$1@smc.vnet.net> (permalink)
References <ir5g8t$t1m$1@smc.vnet.net>

Show all headers | View raw


In article <ir5g8t$t1m$1@smc.vnet.net>,
 Gilmar Rodriguez-pierluissi <peacenova@yahoo.com> wrote:

> when I evaluate:
>  
> data = {{0.05, 90}, {0.09, 95}, {0.14, 110}, {0.17, 125}, {0.2, 140}, {0.21, 
> 150}, {0.23, 175}, {0.25, 190}, {0.3, 210}, {0.35, 255}};
>  
> LinearModelFit[data, {1, x^2}, x, RegressionReport -> {DurbinWatsonD}]
>  
> the above line will not produce the DurbinWatsonD value of 1.14 shown in the 
> example on that web page.

The correct syntax for LinearModelFit is

LinearModelFit[data,{1,x^2},x]["DurbinWatsonD"]

Vale,
rip

-- 
email address is r i p 1 AT c o m c a s t DOT n e t

Back to comp.soft-sys.math.mathematica | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Question about DurbinWatsonD Gilmar Rodriguez-pierluissi <peacenova@yahoo.com> - 2011-05-20 10:37 +0000
  Re: Question about DurbinWatsonD richard i pelletier <bitbucket@comcast.net> - 2011-05-21 10:46 +0000
  Re: Question about DurbinWatsonD Peter Pein <petsie@dordos.net> - 2011-05-21 10:49 +0000

csiph-web