03-21-2021
blokeman
Fluorite | Level 6
Member since
09-29-2020
- 7 Posts
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Latest posts by blokeman
Subject Views Posted 1875 03-18-2021 01:15 AM 2051 03-09-2021 03:57 PM 2280 10-28-2020 03:59 PM 2317 10-27-2020 04:28 PM 2349 10-26-2020 03:59 PM 2369 10-26-2020 11:43 AM 2567 09-29-2020 11:29 PM -
Activity Feed for blokeman
- Posted Re: GLIMMIX Multinomial GLMM reports all random effects as zero for one category pairing on Statistical Procedures. 03-18-2021 01:15 AM
- Liked Re: GLIMMIX Multinomial GLMM reports all random effects as zero for one category pairing for STAT_Kathleen. 03-17-2021 04:37 PM
- Liked Re: GLIMMIX Multinomial GLMM reports all random effects as zero for one category pairing for SteveDenham. 03-17-2021 04:36 PM
- Posted GLIMMIX Multinomial GLMM reports all random effects as zero for one category pairing on Statistical Procedures. 03-09-2021 03:57 PM
- Posted Re: Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 10-28-2020 03:59 PM
- Posted Re: Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 10-27-2020 04:28 PM
- Posted Re: Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 10-26-2020 03:59 PM
- Posted Re: Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 10-26-2020 11:43 AM
- Posted Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 09-29-2020 11:29 PM
- Tagged Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 09-29-2020 11:29 PM
- Tagged Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 09-29-2020 11:29 PM
- Tagged Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 09-29-2020 11:29 PM
- Tagged Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 09-29-2020 11:29 PM
- Tagged Crossed Random Effects in a Multinomial GLMM on Statistical Procedures. 09-29-2020 11:29 PM
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Posts I Liked
Subject Likes Author Latest Post 1 1
03-18-2021
01:15 AM
Firstly, my apologies for not responding to your contributions earlier. I was expecting to be email-notified of responses in the thread the way I had been the previous time I asked something here, but this time that didn't happen. Thanks for explaining the deal with the G-matrix and the zero covariance. It is indeed the case in my analysis that all the individual random-effect estimates/BLUPs are reported as zero for the category pairing with the zero variance component, i.e. C vs A. Such a result continues to seem implausible to me, but it is reassuring to hear that an error on my part is not the cause. As for Steve's speculation about the possibility of variance being "stolen" from the other category pairings and misattributed to B vs A, I can confirm that B vs A actually exhibits more variation than the other pairings. In other words, its larger variance component makes sense from a subject-matter perspective.
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10-28-2020
03:59 PM
You really know your stuff, sir. Impressive job guessing not only the software but also the library (which is not the only option available for the software). If I have to be Bayesian then I'll probably stick to the alternate software given that I'm already familiar with its ins and outs. But I'll keep GLIMMIX with conflated random-effect levels in mind as a backup option. Many thanks for all your input.
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