DATA;                          
INPUT NICO CO;                 
CARDS;                         
0.2 2                          
0.4 10                         
0.6 13                         
0.8 15                         
1.0 20                         
;                              
PROC PRINT;                    
                               
                               
PROC CORR;                     
   VAR NICO CO;                
                               
PROC REG;                      
   MODEL CO=NICO / R CLI CLM;  
   OUTPUT OUT=REGOUT                                
   P=PRED                                           
   R=RESID                                          
   L95=L95                                          
   U95=U95                                          
   L95M=L95M                                        
   U95M=U95M;                                       
                                                    
PROC PRINT DATA=REGOUT;                             

PROC PLOT;                                          
   PLOT CO*NICO PRED*NICO='P'                       
        L95M*NICO='L' U95M*NICO='U' / OVERLAY;      
                                                    
PROC PLOT;                                          
   PLOT CO*NICO PRED*NICO='P' L95*NICO='D'          
        U95*NICO='C' /OVERLAY;                      

run
;