/*-----------------------------------------------------------------
            S A S   S A M P L E   L I B R A R Y                   
                                                                  
      NAME: HPSPLEX2                                              
     TITLE: Documentation Example 2 for PROC HPSPLIT              
                                                                  
   PRODUCT: HPSTAT                                                
    SYSTEM: ALL                                                   
      KEYS: cost-complexity pruning                               
     PROCS: HPSTAT                                                
                                                                  
   SUPPORT: Ralph Abbey                                           
-----------------------------------------------------------------*/

ods graphics on;

proc hpsplit data=sampsio.snra cvmethod=random(10) seed=123 intervalbins=500;
   class Type;
   grow gini;
   model Type = Blue Green Red NearInfrared NDVI Elevation
                SoilBrightness Greenness Yellowness NoneSuch;
   prune costcomplexity;
run;

proc hpsplit data=sampsio.snra plots=zoomedtree(node=7) seed=123 cvmodelfit
   intervalbins=500;
   class Type;
   grow gini;
   model Type = Blue Green Red NearInfrared NDVI Elevation
                SoilBrightness Greenness Yellowness NoneSuch;
   prune costcomplexity (leaves=10);
run;