/*-----------------------------------------------------------------
            S A S   S A M P L E   L I B R A R Y                   
                                                                  
      NAME: nlinex6                                               
     TITLE: Documentation Example 6 for PROC NLIN                 
            ODS Graphics and diagnostics                          
   PRODUCT: STAT                                                  
    SYSTEM: ALL                                                   
      KEYS: ODS Graphics                                          
            Diagnostics                                           
     PROCS: NLIN                                                  
      DATA:                                                       
                                                                  
   SUPPORT: Biruk Gebremariam                                     
       REF:                                                       
      MISC:                                                       
-----------------------------------------------------------------*/

data contrived;
   input x1 x2 y;
   datalines;
-4.0   -2.5  -10.0
-3.0   -2.0   -5.0
-2.0   -1.5   -2.0
-1.0   -1.0   -1.0
 0.0    0.0    1.5
 1.0    1.0    4.0
 2.0    1.5    5.0
 3.0    2.0    6.0
 4.0    2.5    7.0
-3.5   -2.2   -7.1
-3.5   -1.7   -5.1
 3.5    0.7    6.1
 2.5    1.2    7.5
;


ods graphics on;
proc nlin data=contrived bias hougaard
        NLINMEASURES plots(stats=all)=(diagnostics);
   parms alpha=2.0
         gamma=0.0;
   model y = alpha*x1 + exp(gamma*x2);
run;
ods graphics off;