/*------------------------------------------------------ | bottle production : bottle production by operator | | and machine | | | ------------------------------------------------------*/ options ps = 70 ls=75 nodate nonumber; data a; input machine operator count; cards; 1 1 65 1 1 58 1 1 63 1 1 57 1 1 66 1 2 68 1 2 62 1 2 75 1 2 64 1 2 70 1 3 56 1 3 65 1 3 58 1 3 70 1 3 64 1 4 45 1 4 56 1 4 54 1 4 48 1 4 60 2 1 74 2 1 81 2 1 76 2 1 80 2 1 68 2 2 69 2 2 76 2 2 80 2 2 78 2 2 73 2 3 52 2 3 56 2 3 62 2 3 58 2 3 51 2 4 73 2 4 78 2 4 83 2 4 75 2 4 76 3 1 69 3 1 83 3 1 74 3 1 78 3 1 80 3 2 63 3 2 70 3 2 72 3 2 68 3 2 75 3 3 81 3 3 72 3 3 73 3 3 76 3 3 70 3 4 67 3 4 79 3 4 73 3 4 77 3 4 71 ; run; proc print; run;