MAJOR correlation (meta-analysis)

Everything related to the development of modules in jamovi
michaelg
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Joined: Thu Oct 24, 2019 1:18 pm

Re: MAJOR correlation (meta-analysis)

Post by michaelg »

Dear Kyle,
Thanks for all the great work you put into the MAJOR package! I am currently working on an meta-analysis with mutlivple variables. I was wondering if/when the multivariate meta-analyses (rma.mv() function) will become available? Thanks, Michael
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kylehamilton
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Joined: Fri Mar 24, 2017 8:47 am
Location: Merced, California, USA
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Re: MAJOR correlation (meta-analysis)

Post by kylehamilton »

Yeah, that's in the pipeline and should be a feature by the end of the year. I need to focus on passing my candidacy review first so I might need to wait until Christmas break.
lukas999
Posts: 3
Joined: Sat Mar 28, 2020 7:39 am

Re: MAJOR correlation (meta-analysis)

Post by lukas999 »

Dear Kyle,

Thank you for adding the option of including categorical moderators with multiple levels. For my current meta analysis I attempt to include several moderators with 3+ levels and aim to use the major package in jamovi.

Having run into struggles with previous Jamovi versions, 1.2.16.0 seems to be working well for me but loading the major package leads to the following error message installed version is incompatible.

Edit: running older jamovi versions has not solved the issue either.

All the best,

Lukas
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jonathon
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Joined: Fri Jan 27, 2017 10:04 am

Re: MAJOR correlation (meta-analysis)

Post by jonathon »

hi lukas,

there should be the option to update to a compatible version from the jamovi library ... or are you side-loading from somewhere?

jonathon
lukas999
Posts: 3
Joined: Sat Mar 28, 2020 7:39 am

Re: MAJOR correlation (meta-analysis)

Post by lukas999 »

Dear Jonathon,

Thanks for the quick response. Indeed, I am sideloading major from github: https://github.com/kylehamilton/MAJOR. Loading major from the library functions but does not include the possibility of categorical moderators on correlation coefficients, which is what I am interested in.

Edit: the issue has been resolved.
Last edited by lukas999 on Fri Apr 17, 2020 9:38 am, edited 1 time in total.
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jonathon
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Re: MAJOR correlation (meta-analysis)

Post by jonathon »

drop kyle a line,

you may have more success emailing him. all he needs to do is give me a commit ID, and i can update the library.

jonathon
Jehill1
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Joined: Fri May 01, 2020 2:28 pm

Re: MAJOR correlation (meta-analysis)

Post by Jehill1 »

Wondering if you could help me I'm doing a proportion meta-analysis and I have a subgroup with only two studies and when I use the DerSimonian-Laird model it says "number of parameters estimated is larger than number of observations". From my understanding you can do a proportion meta-analysis with two studies? It works okay with a fixed effects model but not with a random effects model.
tdo34
Posts: 2
Joined: Wed Oct 07, 2020 9:57 pm

Re: MAJOR correlation (meta-analysis)

Post by tdo34 »

Hi Kyle,

I have multiple moderators with multiple codes but I am being told Y is empty or only has NAs - any ideas on where I'm going wrong? Thanks
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