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Results tagged with mixed-model
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user 267561
Mixed (aka multilevel or hierarchical) models are linear models that include both fixed effects and random effects. They are used to model longitudinal or nested data.
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QQ-plot indicates normality of residuals but density plot does not
My QQ-plot indicates normality (a fairly straight line), but my density plot shows departures from normality. Why is this happening? Is this a big problem for my model?
Here's my model syntax:
resp …
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