In linear mixed modeling am i able to Examine an entire product with AR1 covariance to some nested product using a diagnonal covariance? OkManufacturer141OkManufacturer141 32511 silver badge55 bronze badges Insert a comment   Enter your supply Zip code or shipping and delivery city & state to perspective CORT's nearby pricing https://www.facebook.com/share/1J6iVuTuXb/