I`m using WeMix to analyze the PISA data. I fit a three-level model and want to extract random effects and associated standard errors by units (e.g., random effects and standard errors country by country for instance ). I was able to extract the random effects from "ranefMat" but could not find the associated standard errors. It will be great if the WeMix includes this function.
Thanks for the request @ycanbolat it seems the formula for the unweighted case is 59 in the lme4 vignette. vignette(package="lme4", "lmer") or in the raw file here. Though I haven't thought about how weighting would change that.
I`m using WeMix to analyze the PISA data. I fit a three-level model and want to extract random effects and associated standard errors by units (e.g., random effects and standard errors country by country for instance ). I was able to extract the random effects from "ranefMat" but could not find the associated standard errors. It will be great if the WeMix includes this function.