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The NESTED Procedure |
General Random-Effects Model |
A random-effects model for data from a completely nested design with factors has the general form
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where
is the value of the dependent variable observed at the th replication with factor
at level
, for
.
is the overall (fixed) mean of the sampled population.
are mutually uncorrelated random effects with zero means and respective variances ,
, ...,
.
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