/*-----------------------------------------------------------------
            S A S   S A M P L E   L I B R A R Y                   
                                                                  
      NAME: CAGREX2                                               
     TITLE: Documentation Example 2 for PROC CAUSALGRAPH          
   PRODUCT: STAT                                                  
    SYSTEM: ALL                                                   
      KEYS: graphical causal models                               
     PROCS: CAUSALGRAPH                                           
      DATA:                                                       
                                                                  
   SUPPORT: clthom                                                
    UPDATE: July 03, 2018                                         
       REF: PROC CAUSALGRAPH, Example 2                           
      MISC: Special thanks to Noah Greifer                        
-----------------------------------------------------------------*/

proc causalgraph method=adjustment maxlist=1 nosort;
   model "Timm17HealthBehavior"
      Age ==> Parity PFAS Education,
      Parity ==> PrevBF Duration PFAS,
      PrevBF ==> PFAS Duration,
      PFAS ==> Duration,
      Education ==> Duration HealthBehavior Employment,
      HealthBehavior ==> PFAS Duration BMI Alcohol Smoking,
      Employment ==> HealthBehavior Duration,
      BMI Alcohol Smoking ==> Duration;
   identify PFAS ==> Duration;
   unmeasured PrevBF HealthBehavior;
run;