| P1 | P2 | P3 |  |  | P1 | P2 | P3 |  |  | P1 | P2 | P3 |  |  | P1 | P2 | P3 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E1 | a11 | a12 | a13 | Â | E1 | b11 | b12 | b13 | Â | E1 | c11 | c12 | c13 | Â | E1 | t11 | t12 | t13 |
E2 | a21 | a22 | a23 | + | E2 | b21 | b22 | b23 | + | E2 | c21 | c22 | c23 | = | E2 | t21 | t22 | t23 |
E3 | a31 | a32 | a33 | Â | E3 | b31 | b32 | b33 | Â | E3 | c31 | c32 | c33 | Â | E3 | t31 | t32 | t33 |
data set A | Â | data set B | Â | data set C | Â | combined data set |