How to fit a general-linear mixed-effects model with categorical variables?

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Falk Lieder
Falk Lieder 2015 年 10 月 5 日
回答済み: Tom Lane 2015 年 10 月 24 日
I am using the function fitglme from the statistics toolbox to fit a mixed-effects model with repeated measurements and categorical predictor variables as follows:
glme=fitglme(data_nr_acquisitions,'nr_acquisitions ~ problem_type + block + (problem_type| subject) + (block| subject) + (1|subject)')
The variable problem_type is categorical, but the code above does not take this into account. I tried to instruct fitglme to treat problem_type as a categorical variable with the argument "CategoricalVars" but unlike fitglm the function fitglme does not accept this argument. Can fitglme handle categorical variables and how can I get it to treat a variables as categorical?


Tom Lane
Tom Lane 2015 年 10 月 24 日
data_nr_acquisitions.problem_type = categorical(data_nr_acquisitions.problem_type)
before you do the fit.

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