nobs = 30 30 30 2 2 2 2
Gender Internet Shopping Sex None "1-3 times" "4+ times"
1 30 1 Female 9 7 2
1 45 1 Male 2 5 5
1 40 2    
1 60 2    
1 45 1    
1 60 1    
1 75 2    
1 30 3    
1 80 3    
1 45 2    
1 60 1    
1 75 1    
1 105 2    
1 120 1    
1 45 1    
1 30 2    
1 15 1    
1 20 2    
2 10 3    
2 30 2    
2 20 3    
2 90 2    
2 45 1    
2 30 2    
2 15 3    
2 60 2    
2 20 1    
2 45 2    
2 30 3    
2 20 3