Table 1
Full factorial design in lexicographic order, with counting vector r for Design 3 of Table 2.
| r | recipe | bp | oven |
|---|---|---|---|
| 1 | new | B1 | elect |
| 0 | new | B1 | gas |
| 1 | new | B2 | elect |
| 0 | new | B2 | gas |
| 0 | new | B3 | elect |
| 1 | new | B3 | gas |
| 0 | old | B1 | elect |
| 1 | old | B1 | gas |
| 0 | old | B2 | elect |
| 1 | old | B2 | gas |
| 1 | old | B3 | elect |
| 0 | old | B3 | gas |
Table 2
Three small fractional factorial designs.
| Design 1 | Design 2 | Design 3 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| run | recipe | bp | oven | run | recipe | bp | oven | run | recipe | bp | oven | ||
| 1 | new | B1 | elect | 1 | new | B1 | elect | 1 | new | B1 | elect | ||
| 2 | new | B2 | elect | 2 | new | B2 | gas | 2 | new | B2 | elect | ||
| 3 | new | B3 | gas | 3 | new | B3 | gas | 3 | new | B3 | gas | ||
| 4 | old | B1 | elect | 4 | old | B1 | elect | 4 | old | B1 | gas | ||
| 5 | old | B2 | gas | 5 | old | B2 | gas | 5 | old | B2 | gas | ||
| 6 | old | B3 | elect | 6 | old | B3 | elect | 6 | old | B3 | elect | ||

Figure 1
Worst case balance for two plans, compared to worst and best case references.
