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really similar AIC

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valentinav's picture
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Joined: 06/15/2020 - 08:45
really similar AIC

Hi All,
I run the ACE model and submodels, and the AIC are really similar.
ACE 2579
AE 2577.5
CE 2577.3
E 2584

Overall, I always get a difference of 1 between the AIC.
The best winning model is always coherent with the results of the correlation analysis, so I tend to trust it, however, the difference is really little.
Is there a way to establish what is a significant difference between AIC?

Thank you all!
Valentina

AdminRobK's picture
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Joined: 01/24/2014 - 12:15
confidence set

Have a look at omxAkaikeWeights().