Unfortunately, I can't find literature on how to conduct factor analyses in a multilevel design (with individuals, countries and time as hierarchical levels) in R. The factors are suggested to be on the individual level.
Could anyone help?
Unfortunately, I can't find literature on how to conduct factor analyses in a multilevel design (with individuals, countries and time as hierarchical levels) in R. The factors are suggested to be on the individual level.
Could anyone help?