Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2005
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2005

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Re: Multiple regression best subset

  • To: mathgroup at smc.vnet.net
  • Subject: [mg55641] Re: [mg55630] Re: Multiple regression best subset
  • From: Ian Roberts <mathgroup at quantica.com.au>
  • Date: Fri, 1 Apr 2005 05:36:12 -0500 (EST)
  • References: <d2dobj$ljj$1@smc.vnet.net> <200503310625.BAA15246@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

I check every possible subset. I presume XLMiner does the same as it 
describes the option as Exhaustive Search and does offer other options 
which are faster but not guaranteed to find the "best". I get the same 
results as they do but it's much much slower.
Ian.

Frank Iannarilli wrote:

>Is your "exhaustive" search fully enumerative, in that you explicitly
>check on every possible combination/subset?  Or do you use implicit
>enumeration (via branch-and-bound/A-star), which is what the XLMiner
>may likely do?
>
>
>
>
>  
>


  • Prev by Date: NDSolve errors with DAE
  • Next by Date: GraphPlot vs. SpringEmbedding
  • Previous by thread: NDSolve errors with DAE
  • Next by thread: Re: Multiple regression best subset