GAMLj: Very different results after the last update
GAMLj: Very different results after the last update
Hi,
I just updated the GAMLj module and after doing so the results of different GLMM analyses I was working on drastically changed. I did not do any changes to the models, just the update. Take a look at the attached files.
Thanks.
Tomás
I just updated the GAMLj module and after doing so the results of different GLMM analyses I was working on drastically changed. I did not do any changes to the models, just the update. Take a look at the attached files.
Thanks.
Tomás
- Attachments
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- after.png (103.55 KiB) Viewed 8891 times
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- before.png (60.21 KiB) Viewed 8891 times
Last edited by TPalma on Tue Sep 28, 2021 12:27 pm, edited 1 time in total.
- mcfanda@gmail.com
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Re: GAMLj: Very different results after the last update
Hi
I cannot see the pictures well. Would you mind posting them again?
I cannot see the pictures well. Would you mind posting them again?
Re: GAMLj: Very different results after the last update
Done.
As I said, same random structure, same fixed factors (simple contrast coding), same covariate (postdiction, cluster based centered), same method to calculate dfs, different results. Weird.
As I said, same random structure, same fixed factors (simple contrast coding), same covariate (postdiction, cluster based centered), same method to calculate dfs, different results. Weird.
- mcfanda@gmail.com
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- Joined: Thu Mar 23, 2017 9:24 pm
Re: GAMLj: Very different results after the last update
Hi Tomas,
I'm afraid I know what is going on. In the previous version, there was a bug in cluster-centering, happening for weired combinations of cluster type and order of cases. The latest version tried to fix it but failed. I've now prepared the update to hopefully fix the issue. This will be version 2.5.2 in a few hours.
For your case, I'd suggest to re-run the analyses with the new version, and check if you get the same as the "before" results.
Furthermore, I've noticed that in your model you have two cluster variables. Keep in mind that "cluster-based centered" centers the variable by the first cluster appearing in the cluster variables list
I'm afraid I know what is going on. In the previous version, there was a bug in cluster-centering, happening for weired combinations of cluster type and order of cases. The latest version tried to fix it but failed. I've now prepared the update to hopefully fix the issue. This will be version 2.5.2 in a few hours.
For your case, I'd suggest to re-run the analyses with the new version, and check if you get the same as the "before" results.
Furthermore, I've noticed that in your model you have two cluster variables. Keep in mind that "cluster-based centered" centers the variable by the first cluster appearing in the cluster variables list
Re: GAMLj: Very different results after the last update
Hi Marcello,
Okay, I'll re-run the analyses with the new version. And thanks for the tip bout cluster-based centered - I did not know that the centering was done by the first cluster variable. I will also check this on the new analyses.
Best,
Tomás
Okay, I'll re-run the analyses with the new version. And thanks for the tip bout cluster-based centered - I did not know that the centering was done by the first cluster variable. I will also check this on the new analyses.
Best,
Tomás
- mcfanda@gmail.com
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Re: GAMLj: Very different results after the last update
Centering on more clusters, especially when they are cross-classified, is not that straightforward, so the idea is to leave the user free to prepare the right data beforehand.
Re: GAMLj: Very different results after the last update
Hi Marcello,
I just updated to the new version but now I get this error. Can't run the analysis.
I just updated to the new version but now I get this error. Can't run the analysis.
- Attachments
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- Screenshot 2021-10-02 at 19.18.23.png (169.38 KiB) Viewed 7985 times
- mcfanda@gmail.com
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Re: GAMLj: Very different results after the last update
Please update (again) and try again.
Re: GAMLj: Very different results after the last update
I have uninstalled it and installed it again but not yet working - see screenshot
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- Screenshot 2021-10-04 at 15.45.44.png (180.58 KiB) Viewed 7854 times
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Re: GAMLj: Very different results after the last update
Wow, this bug is really persistent! Let's see if version 2.5.3 solved the issue.