Table 3.
Factors | Estimate | SE | z-value | p-value |
---|---|---|---|---|
(Intercept) | −5.071 | 0.44928 | −11.287 | <2e-16 |
Position within the rack | ||||
Tray position 10 | −0.05583 | 0.73281 | −0.076 | 0.939 |
Tray position 20 | 0.05491 | 0.67326 | 0.082 | 0.9349 |
Tray position 30 | −17.23784 | 2328.5055 | −0.007 | 0.9941 |
Tray position 40 | −0.64143 | 0.83862 | −0.765 | 0.4443 |
Tray position 50 | −17.25053 | 2853.79142 | −0.006 | 0.9952 |
Type of sorting | ||||
Mixed pupae sorting | −1.03663 | 0.83814 | −1.237 | 0.2162 |
Day of sorting | ||||
Day 7 | 0.47505 | 0.55998 | 0.848 | 0.3962 |
Day 8 | 1.3836 | 0.4979 | 2.779 | 0.0054 |
Day 9 | 1.70302 | 0.48558 | 3.507 | 0.0004 |
Day 10 | 1.80168 | 0.48246 | 3.734 | 0.0002 |
Operator | ||||
Operator B | −0.24502 | 0.07293 | −3.36 | 0.0008 |
Operator C | −0.28459 | 0.07593 | −748 | 0.0001 |
Values were compared to the reference tray position 1 (bottom), individual tray sorting, day 6 and operator A. Values in bold indicate a statistically significant difference (p < 0.05).