This post was kindly contributed by The SAS Training Post - go there to comment and to read the full post. |
Multilevel models (also called hierarchical linear models) are used to analyze clustered or grouped data, as well as longitudinal or repeated measures data. Consider the simple scenario shown below, where Y is continuous and is shown as a function of a continuous predictor variable, X (which has been standardized). If […]
This post was kindly contributed by The SAS Training Post - go there to comment and to read the full post. |