/*-----------------------------------------------------------------
            S A S   S A M P L E   L I B R A R Y                   
                                                                  
      NAME: loessex4                                              
     TITLE: Documentation Example 4 for PROC LOESS                
   PRODUCT: STAT                                                  
    SYSTEM: ALL                                                   
      KEYS: Local Regression                                      
     PROCS: LOESS                                                 
      DATA:                                                       
                                                                  
   SUPPORT: Robert Cohen                                          
       REF:                                                       
      MISC:                                                       
-----------------------------------------------------------------*/
proc sgplot data=sashelp.ENSO;
   scatter y=Pressure x=Month;
run;
ods graphics on;

proc loess data=sashelp.ENSO plots=residuals(smooth);
   model Pressure=Month;
run;
proc loess data=sashelp.ENSO;
   model Pressure=Month/select=AICC(global);
run;
proc loess data=sashelp.ENSO;
   model Pressure=Month/select=AICC(range(0.03,0.2));
run;
proc loess data=sashelp.ENSO plots=residuals(smooth);
   model Pressure=Month/select=AICC(presearch);
run;

ods graphics off;