How to use the Two-Part Model to replicate expenditure TABLE 3? I have attached a Word file, inside has the screenshots of: 1. Sample of Table 3; 2. Statistical Analysis screenshots (the process how to think); 3. The COST/Expenditures variable I/you may need; I'm a total newB of SAS, I don't know how to begin with. I know the difference among Model 1 and 2 and 3 is 1 is unadjusted; 2 is adjusted with some variables; 3 is with more variables, but I only know I should merge the 8 files first. And what's next? What PROC XXX should I use?   If you need more information, please let me know.    ... View more