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Mixed models for complex surveys
This package fits linear mixed models to data from complex surveys, by maximising a weighted pairwise likelihood
remotes::install_github("tslumley/svylme")It works (gives consistent estimates of the regression coefficients and variance components) for any linear mixed model and any design, without any restrictions on the sampling units and model clusters being related. For example, you could sample on home address but fit a model clustering on school.
The implementation allows for correlated random effects such as you get in quantiative genetics
Linear models only
Some loss of efficiency compared to just fitting a design-based linear model (if you don’t care about the variance components)
There isn’t (yet) an analog of the BLUPs of random effects, eg for small-area estimation
If your sampling units and model clusters are the same, and your design isn’t too strongly informative, you can likely get more precise estimates of the variance components with sequential pseudolikelihood as implemented in Stata or Mplus.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.