Is there a function that will allow me to run all model iterations if I specify
a full model? I am using information criteria to choose between possible
candidate models. I have been writing out all possible model combinations by
hand, and I am always worried that I am missing models or have
Do you mean only all of the FIRST order models (that is, without
interactions) ?
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Contact me: tal.gal...@gmail.com | 972-52-7275845
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On 05/18/2010 11:38 PM, Tim Clark wrote:
Is there a function that will allow me to run all model iterations if I specify
a full model? I am using information criteria to choose between possible
candidate models. I have been writing out all possible model combinations by
hand, and I am
possible models from full model
To: Tim Clark mudiver1...@yahoo.com
Cc: r-help@r-project.org
Date: Tuesday, May 18, 2010, 9:40 PM
Do you mean only all of the FIRST order models (that is, without
interactions) ?
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Try the MuMIn package from r-forge.
Ben Bolker
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Tal Galili tal.galili at gmail.com writes:
On Wed, May 19, 2010 at 7:38 AM, Tim Clark mudiver1200 at yahoo.com wrote:
Is there a function that will allow me to run all model iterations if I
specify a full model?
m1234567-glm.convert(glm.nb(mantas~site*year+cosmonth+sinmonth+
My apologies for rushing to write 7! , that one was not thought out at all.
Tal
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Details:---
Contact me: tal.gal...@gmail.com | 972-52-7275845
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Frank E Harrell Jr f.harrell at Vanderbilt.Edu writes:
Please read the large number of notes in the e-mail archive about the
invalidity of such modeling procedures.
Frank
I'm curious: do you have an objection to multi-model averaging
a la Burnham, Anderson, and White (as implemented
* wrote:
From: Tal Galili tal.gal...@gmail.com
Subject: Re: [R] Generating all possible models from full model
To: Tim Clark mudiver1...@yahoo.com
Cc: r-help@r-project.org
Date: Wednesday, May 19, 2010, 12:47 AM
Hi Tim,
So if I understand you correctly, you are talking about 7! models
A couple of years ago, I wrote a function for doing this. It can be
found in the following file:
http://pegasus.cc.ucf.edu/~xsu/CLASS/STA4164/mt4-2009.doc
I also pasted a copy below. Hope you find it useful. -XG
#
# ALL POSSIBLE REGRESSIONS
#
#
On 05/19/2010 01:39 PM, Ben Bolker wrote:
Frank E Harrell Jrf.harrellat Vanderbilt.Edu writes:
Please read the large number of notes in the e-mail archive about the
invalidity of such modeling procedures.
Frank
I'm curious: do you have an objection to multi-model averaging
a la
Hi, one approach is document below. The function should work with any
regression function that follows the syntax of lm (others will need
adjustments). Note that you would have to create the interactions terms by
hand (which is no big deal if there are just few). Note also that this
approach can
- Original Message
From: Xiaogang Su xiaogan...@gmail.com
To: Tim Clark mudiver1...@yahoo.com
Cc: r-help@r-project.org
Sent: Wed, May 19, 2010 9:42:40 AM
Subject: Re: [R] Generating all possible models from full model
A couple of years ago, I wrote a function for doing this. It can be
found
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