The `PLmixed`

package's main function is `PLmixed`

, which estimates
the model through nested maximizations using the lme4 package
and `optim`

function. This extends the capabilities of lme4
to allow for estimated factor structures, making it useful for estimating multilevel
factor analysis and item response theory models with an arbitrary number of hierarchical
levels or crossed random effects.

PLmixed documentation built on May 3, 2018, 1:04 a.m.

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