[Eeglablist] LIMO: Between subjects’ ANOVAs with repeated factors - Keep getting the same error "Arrays have incompatible sizes for this operation"

[Cecconi Benedetta]

Dear Cyril,

I see now, thanks again for your reply.

With the "1st level" design indeed it works until I get the following error:

analyse channel 1/183
 ...Unable to perform assignment because the indices on the left side are not compatible with the size of
the right side.

This the matrix I obtained:
[cid:e1966913-7543-49e3-8cd4-4e0ae1ff7940]

Do you have any idea what could be causing this error?

Thanks,

Benedetta
-----
Doctoral Candidate - FNRS ASP

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________________________________
From: Cyril Pernet <wamcyril at gmail.com>
Sent: Thursday, July 6, 2023 5:04 AM
To: Cecconi Benedetta <Benedetta.Cecconi at uliege.be>
Cc: eeglablist at sccn.ucsd.edu <eeglablist at sccn.ucsd.edu>
Subject: Re: [Eeglablist] LIMO: Between subjects’ ANOVAs with repeated factors - Keep getting the same error "Arrays have incompatible sizes for this operation"

Hi  Benedetta

the GUI asks is how many groups, to which you should answer 2 and this allows you to select the beta files for each group as per https://urldefense.com/v3/__https://github.com/LIMO-EEG-Toolbox/limo_meeg/wiki/9.-Between-subjects**B-ANOVAs-with-repeated-factors__;4oCZ!!Mih3wA!H8vgaINo4-VOWheiDHLF7mjFXr9JjWtqOPh3oteh1wVc6ReyaVoCdFHRMV8Pmz87bhpVwzflL-ldpyaL8tRm3D4DZ1-W7VcB-ME$ , and you have 1 factor with 2 levels

hope this helps
cyril






On Thu, 6 Jul 2023 at 02:24, Cecconi Benedetta via eeglablist <eeglablist at sccn.ucsd.edu<mailto:eeglablist at sccn.ucsd.edu>> wrote:
Hello,

I've been trying repeatedly to carry out a Between subjects’ ANOVAs with repeated factors in LIMO, but I keep getting errors and I don't seem to manage to make it work.


I followed the LIMO tutorial on GitHub step by step, I have a situation similar to the one described: I have 2 conditions "deviant and standard types of stimuli" (similar to 3 conditions "famous, unfamiliar, scrambled faces" of the tutorial) and two groups of participants "connected and disconnected participants" (similar to 3 age-based groups of the tutorial).


I first carried out the 1st-level analysis by selecting the design with only dev/std conditions. As in the study creation I had divided between the two groups, I got two beta files one for the first and one for the second group. When I try to run a Between subjects’ ANOVAs with repeated factors I input "2" for n of groups, and "2" for n of repeated factors, then I choose to input beta files. Here, it opens a window to select files and I select the first beta file for the Connected group but then I get this window:

[cid:1331b6b3-212e-4200-938b-4350387b1630]


and I am not sure what to select... 3 and 4 are the groups? I tried selecting 3 and then entering the beta file for the disconnected group and then when the window opens again I select the 4th beta parameter but then it says "the number of parameters chosen (1) does not match the total number of levels (2)".


In the tutorial it says to 'iteratively' insert beta files for group 1 and group 2, but it does not seem to give the same window messages that I get as the window attached above.


Can someone tell me where I'm going wrong?


Thanks a lot in advance for your help :)


Benedetta Cecconi
-----
Doctoral Candidate - FNRS ASP

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--
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Dr Cyril Pernet,
Neurobiology Research Unit
Copenhagen University Hospital, Rigshospitalet
Building 8057, Blegdamsvej 9
DK-2100 Copenhagen, Denmark

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