can fitrm handle unbalanced data (without decimating it)? if not, what alternative will still allow me to see (or even set) the response covariances?

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Ben 2016-10-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/308314-can-fitrm-handle-unbalanced-data-without-decimating-it-if-not-what-alternative-will-still-allow

it looks like fitrm (and ranova?) takes a multivariate (MANOVA?) approach to handling repeated measures much like i've heard other programs do (e.g. SPS's repeated measures GLM procedure), but our biostats guy has told me that MANOVA won't work for unbalanced data (maybe that's only for data as unbalanced as mine! i don't know...).

i wanted to get some verification here that fitrm can (or should) not handle unbalanced data. if it can't, then what else could i use that would still allow me to see (and ideally to set or constrain) the response covariances (NOT covariance pattern, but the covariances between, in my case, intracluster and intercluster members)?

thanks for any input,

ben