Research Article

Heuristics for the Hybrid Flow Shop Scheduling Problem with Sequence-Dependent Setup times

Table 3

Results from ANOVA.

SourceDegrees of freedomSum of squares (SS)Mean squareF-value

Model2153.378 × 10131.571 × 1011153.88
Error8648.822 × 10111.021 × 109
Corrected total10793.466 × 1013
Sizea − 1 = 28.639 × 10124.320 × 10124230.43
Flexibilityb − 1 = 27.674 × 10103.837 × 101037.58
Size ∗ flexibility(a − 1) (b − 1) = 42.288 × 10115.721×1010556.03
Proportionc − 1 = 71.344 × 10131.919 × 10121879.66
Size ∗ proportion(a − 1) (c − 1) = 141.111 × 10137.933 × 1011776.91
Flexibility ∗ proportion(b − 1) (c − 1) = 141.065 × 10117.606 × 1097.45
Size ∗ flexibility ∗ proportion(a − 1) (b − 1) (c − 1) = 281.713 × 10116.117 × 1095.99
Algorithmd − 1 = 22.562 × 1091.281 × 1091.25
Size ∗ algorithm(a − 1) (d − 1) = 41.849 × 1094.622 × 1080.45
Flexibility ∗ algorithm(b − 1) (d − 1) = 43.642 × 1089.105 × 1070.09
Size ∗ flexibility ∗ algorithm(a − 1) (b − 1) (d − 1) = 82.424 × 1083.030 × 1070.03
Proportion ∗ algorithm(c − 1) (d − 1) = 144.034 × 1092.881 × 1080.28
Size ∗ proportion ∗ algorithm(a − 1) (c − 1) (d − 1) = 283.308 × 1091.181 × 1080.12
Flexibility ∗ proportion ∗ algorithm(b − 1) (c − 1) (d − 1) = 282.755 × 1099.838 × 1070.10
Size ∗ flexibility ∗ proportion ∗ algorithm(a − 1) (b − 1) (c − 1) (d − 1) = 563.378 × 1096.032 × 1070.06
Error(r − 1)abcd = 8648.822 × 10111.021 × 109
Corrected totalabcdr − 1 = 10793.466 × 1013