MATLAB function to perform an unbalanced anova

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Eric
Eric 2016-2-10
评论： Amberle McKee 2019-3-28
Hi everybody,
I'm trying to do an 2-way repeated measures ANOVA with uneven number of subjects in each group (more pre than post measurements). The number of data point is like this:
Pre-group 1 (n=22), Post-group 1 (n = 22),
Pre-group 2 (n=22), Post-group 2 (n=16),
Pre-group 3 (n = 22), Post-group 3 (n = 13),
Pre-group 4 (n = 22), Post-group 4 (n = 18).
I have tried to use the function called rm_anova2 ( http://www.mathworks.com/matlabcentral/fileexchange/6874-two-way-repeated-measures-anova/content/rm_anova2.m ) but it doesn't work.
Does anyone know of a function that is able to perform this kind of analysis?
Best,
Eric

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回答（1 个）

Brendan Hamm
Brendan Hamm 2016-2-11
You can do this with anovan.
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Brendan Hamm
Brendan Hamm 2017-1-4
What do you mean by variable data within the groups?
Amberle McKee
Amberle McKee 2019-3-28
Can anovan account for unbalanced data within groups; if you have different sample sizes in each group?

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