Chapter 15: Estimated main and interaction effects in the
fillweight experiment.

Row 1: Average yield
Row 2: P - port effect
Row 3: T -  temperature effect
Row 4: W - batch weight effect
Row 5: D is delay effect
Row 6: PT effect
Row 7: PW effect
Row 8: PD effect
Row 9: TW effect
Row 10: TD effect
Row 11: WD effect
Row 12: PTW effect
Row 13: PTD effect
Row 14: PWD effect
Row 15: TWD effect
Row 16: PTWD effect
Col 1: Estimated effect.

 1.22625
 0.1450
-0.0875
-0.0375
-0.4700 
-0.0150
 0.0300
-0.1525
-0.1625
 0.4050 
-0.3150 
 0.1350
 0.0725
 0.0675
 0.0950
 0.0375