Table 1 Nine error mechanisms.
Error mechanism | p ij | q ij |
|---|---|---|
S 1 | constant | constant |
S 2 | constant | increasing |
S 3 | constant | decreasing |
S 4 | increasing | constant |
S 5 | increasing | increasing |
S 6 | increasing | decreasing |
S 7 | decreasing | constant |
S 8 | decreasing | increasing |
S 9 | decreasing | decreasing |