>>> Hi Minda,
> > >>>
> > >>> AIC scores depend upon the statistical models used. I think R
does the
> > >>> best job of providing these scores, for example in the context of
> > >>> multiple
> > >>> linear regression and gen
;> linear regression and generalized linear models.
> >>>
> >>> The literature on R or on stats using R is growing rapidly. You will
> >>> find
> >>> readable treatments of AIC in Crawley's 2007 R book or in Zuur et
> >>> al'sv2009 Mixed Effects
ck Foley
bees, fleas, flowers, disease
patfo...@csus.edu
From: Minda Berbeco [mberb...@gmail.com]
Sent: Wednesday, October 26, 2011 8:32 AM
To: ECOLOG-L@LISTSERV.UMD.EDU
Subject: [ECOLOG-L] AIC scores
Hello,
I am looking for recommendations for programs t
d Anderson 2002, Models Selection and
>> Multimodel Inference.
>>
>>
>> Patrick Foley
>> bees, fleas, flowers, disease
>> patfo...@csus.edu
>>
>> From: Minda Berbeco [mberb...@gmail.com]
>> Sent: We
trick Foley
> bees, fleas, flowers, disease
> patfo...@csus.edu
>
> From: Ecological Society of America: grants, jobs, news
> [ECOLOG-L@LISTSERV.UMD.EDU] on behalf of Minda Berbeco
> [mberb...@gmail.com]
> Sent: Wednesday, October 26, 2011 8:32 AM
> To:
If you want to avoid using R and would prefer calculating AIC scores with a
GUI stats program, STATISTICA works quite well.
Burnham and Anderson (2002) provide the formulas for computing AIC from any
model that generates either a log-liklihood value (Page 61) or a residual error
(Page 63) so you can generate an AIC for pretty much any statistical model. SAS
provides AIC as standard output on some procedures such as P
Dear Minda
I don't think that you need any special package in R. You can calculate AIC
scores and weights just using some basic functions. Here is an example:
##these are some models you might want to evaluate
a<-glm(rtsizeB~rtsizeA)
b<-glm(rtsizeB~rtsizeA+mBIO1)
c<-glm(rtsizeB~rtsizeA+mBIO18)
Model selection using S-Plus will give AIC scores of model comparisons. See:
Statistical Computing - An Introduction to Data Analysis using S-Plus by
Michael J. Crawley.
On 10/26/11, Minda Berbeco wrote:
> Hello,
>
> I am looking for recommendations for programs to use for calculating AIC
>
RV.UMD.EDU
Subject: [ECOLOG-L] AIC scores
Hello,
I am looking for recommendations for programs to use for calculating AIC
scores. I've looked into the AICcmodavg package with R, but the associated
instructional material is not clear and I have not been able to get it to
work. I hear that SAS
Hi Minda,
You can use
AIC(model) or extractAIC(model) in R (base).
Or take a look at the bbmle (Ben Bolker) package in R.
Best,
Manuel Spínola
2011/10/26 Minda Berbeco
> Hello,
>
> I am looking for recommendations for programs to use for calculating AIC
> scores. I've looked into the AICcm
Hello,
I am looking for recommendations for programs to use for calculating AIC
scores. I've looked into the AICcmodavg package with R, but the associated
instructional material is not clear and I have not been able to get it to
work. I hear that SAS is good as well, but have not found a good bo
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