Research Article

[Retracted] Quality Improvement and Robust Design Methods to a Pharmaceutical Research and Development

Table 3

Parameter estimates.

Design point Estimate

1 1 0 0 25.6885 4.5176
2 0 1 0 18.2861 5.0843
3 0 0 1 20.8556 5.5625
4 1/2 1/2 0 22.3393 5.4712
5 1/2 0 1/2 25.1136 5.4931
6 0 1/2 1/2 23.3288 8.4396
7 1/6 1/6 2/3 24.5420 4.1651
8 1/6 2/3 1/6 22.6876 4.9773
9 2/3 1/6 1/6 22.8861 5.1334
10 2/3 1/3 1/3 23.3731 5.3724