The Sashelp.JunkMail data set comes from a study that classifies whether an e-mail is junk e-mail (coded as 1) or not (coded as 0). The data were
               collected in Hewlett-Packard labs and donated by George Forman. The data set contains 4,601 observations with 59 variables.
               The response variable is a binary indicator of whether an e-mail is considered spam or not. There are 57 predictor variables
               that record frequencies of some common words and characters and lengths of uninterrupted sequences of capital letters in e-mails.
               The following steps display information about the Sashelp.JunkMail data set and create Figure B.13: 
            
title 'Junk E-mail Data';
proc contents data=sashelp.JunkMail varnum;
   ods select position;
run;
title 'The First Five Observations Out of 4,601';
proc print data=sashelp.JunkMail(obs=5);
run;
  
            
               Figure B.13: Junk E-mail Data
               
                  
                     
                     
                        
                        
                        
                           
                           
                              
                              
                                       
                                    
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                    
                                       
                                       | Test | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                       0 - Training, 1 - Test | 
                                       
                                    
                                       
                                       | Make | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Address | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | All | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | _3D | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                       3D | 
                                       
                                    
                                       
                                       | Our | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Over | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Remove | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Internet | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Order | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Mail | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Receive | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Will | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | People | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Report | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Addresses | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Free | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Business | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Email | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | You | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Credit | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Your | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | Font | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
                                       
                                       | _000 | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                       000 | 
                                       
                                    
                                       
                                       | Money | 
                                       
                                       Num | 
                                       
                                       8 | 
                                       
                                         | 
                                       
                                    
 
                           
                         
                        
 
                     
                     
                   
 
             
            
            
               
               
                  
                  
                  
                     
                     
                        
                        
                                 
                              
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                              
                                 
                                 | HP | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | HPL | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | George | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | _650 | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 650 | 
                                 
                              
                                 
                                 | Lab | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Labs | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Telnet | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | _857 | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 857 | 
                                 
                              
                                 
                                 | Data | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | _415 | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 415 | 
                                 
                              
                                 
                                 | _85 | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 85 | 
                                 
                              
                                 
                                 | Technology | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | _1999 | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 1999 | 
                                 
                              
                                 
                                 | Parts | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | PM | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Direct | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | CS | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Meeting | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Original | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Project | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | RE | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Edu | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Table | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Conference | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Semicolon | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Paren | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Bracket | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Exclamation | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Dollar | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | Pound | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                   | 
                                 
                              
                                 
                                 | CapAvg | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 Capital Run Length Average | 
                                 
                              
                                 
                                 | CapLong | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 Capital Run Length Longest | 
                                 
                              
                                 
                                 | CapTotal | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 Capital Run Length Total | 
                                 
                              
                                 
                                 | Class | 
                                 
                                 Num | 
                                 
                                 8 | 
                                 
                                 0 - Not Junk, 1 - Junk | 
                                 
                              
 
                     
                   
                  
 
               
               
             
                  
            
            
               
               
                  
                  
                  
                     
                     
                        
                        
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                              
                                 
                                 | 1 | 
                                 
                                 0.00 | 
                                 
                                 0.64 | 
                                 
                                 0.64 | 
                                 
                                 0 | 
                                 
                                 0.32 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.64 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.32 | 
                                 
                                 0.00 | 
                                 
                                 1.29 | 
                                 
                                 1.93 | 
                                 
                                 0.00 | 
                                 
                                 0.96 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.000 | 
                                 
                                 0 | 
                                 
                                 0.778 | 
                                 
                                 0.000 | 
                                 
                                 0.000 | 
                                 
                                 3.756 | 
                                 
                                 61 | 
                                 
                                 278 | 
                                 
                                 1 | 
                                 
                              
                                 
                                 | 0 | 
                                 
                                 0.21 | 
                                 
                                 0.28 | 
                                 
                                 0.50 | 
                                 
                                 0 | 
                                 
                                 0.14 | 
                                 
                                 0.28 | 
                                 
                                 0.21 | 
                                 
                                 0.07 | 
                                 
                                 0.00 | 
                                 
                                 0.94 | 
                                 
                                 0.21 | 
                                 
                                 0.79 | 
                                 
                                 0.65 | 
                                 
                                 0.21 | 
                                 
                                 0.14 | 
                                 
                                 0.14 | 
                                 
                                 0.07 | 
                                 
                                 0.28 | 
                                 
                                 3.47 | 
                                 
                                 0.00 | 
                                 
                                 1.59 | 
                                 
                                 0 | 
                                 
                                 0.43 | 
                                 
                                 0.43 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.07 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.132 | 
                                 
                                 0 | 
                                 
                                 0.372 | 
                                 
                                 0.180 | 
                                 
                                 0.048 | 
                                 
                                 5.114 | 
                                 
                                 101 | 
                                 
                                 1028 | 
                                 
                                 1 | 
                                 
                              
                                 
                                 | 1 | 
                                 
                                 0.06 | 
                                 
                                 0.00 | 
                                 
                                 0.71 | 
                                 
                                 0 | 
                                 
                                 1.23 | 
                                 
                                 0.19 | 
                                 
                                 0.19 | 
                                 
                                 0.12 | 
                                 
                                 0.64 | 
                                 
                                 0.25 | 
                                 
                                 0.38 | 
                                 
                                 0.45 | 
                                 
                                 0.12 | 
                                 
                                 0.00 | 
                                 
                                 1.75 | 
                                 
                                 0.06 | 
                                 
                                 0.06 | 
                                 
                                 1.03 | 
                                 
                                 1.36 | 
                                 
                                 0.32 | 
                                 
                                 0.51 | 
                                 
                                 0 | 
                                 
                                 1.16 | 
                                 
                                 0.06 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.06 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.12 | 
                                 
                                 0 | 
                                 
                                 0.06 | 
                                 
                                 0.06 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.01 | 
                                 
                                 0.143 | 
                                 
                                 0 | 
                                 
                                 0.276 | 
                                 
                                 0.184 | 
                                 
                                 0.010 | 
                                 
                                 9.821 | 
                                 
                                 485 | 
                                 
                                 2259 | 
                                 
                                 1 | 
                                 
                              
                                 
                                 | 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0.63 | 
                                 
                                 0.00 | 
                                 
                                 0.31 | 
                                 
                                 0.63 | 
                                 
                                 0.31 | 
                                 
                                 0.63 | 
                                 
                                 0.31 | 
                                 
                                 0.31 | 
                                 
                                 0.31 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.31 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 3.18 | 
                                 
                                 0.00 | 
                                 
                                 0.31 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.137 | 
                                 
                                 0 | 
                                 
                                 0.137 | 
                                 
                                 0.000 | 
                                 
                                 0.000 | 
                                 
                                 3.537 | 
                                 
                                 40 | 
                                 
                                 191 | 
                                 
                                 1 | 
                                 
                              
                                 
                                 | 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0.63 | 
                                 
                                 0.00 | 
                                 
                                 0.31 | 
                                 
                                 0.63 | 
                                 
                                 0.31 | 
                                 
                                 0.63 | 
                                 
                                 0.31 | 
                                 
                                 0.31 | 
                                 
                                 0.31 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0.31 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 3.18 | 
                                 
                                 0.00 | 
                                 
                                 0.31 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.00 | 
                                 
                                 0 | 
                                 
                                 0 | 
                                 
                                 0.00 | 
                                 
                                 0.135 | 
                                 
                                 0 | 
                                 
                                 0.135 | 
                                 
                                 0.000 | 
                                 
                                 0.000 | 
                                 
                                 3.537 | 
                                 
                                 40 | 
                                 
                                 191 | 
                                 
                                 1 |