My points (1) Easy to compare HLM and other models that are not HLM; thus, helpful. This is because PROC MIXED lets you run models that are not HLM.
{"Image DocumentName": "My points(1) Easy to compare HLM and other models that are not HLM; thus, helpful. This is because PROC MIXED lets you run models that are not HLM.", "Image ImageDescription": "(2) Easy to understand what makes HLM HLM. In SAS, what is not essential to HLM is done outside PROC MIXED (e.g., centering)", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}