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. 2011 Nov 14;10:98. doi: 10.1186/1475-2859-10-98

Table 2.

CCD plan of coded value, the observed value and predicted value

Run X1 X2 X3 Observed value (U/mL) Predicted value (U/mL) Residual
1 1 1 1 305.0 300.59440 4.40560
2 1 1 -1 270.0 269.50019 0.49981
3 1 -1 1 266.7 263.28293 3.41707
4 1 -1 -1 271.7 264.68872 7.01128
5 -1 1 1 280.0 278.74159 1.25841
6 -1 1 -1 250.0 245.14737 4.85263
7 -1 -1 1 241.7 233.93012 7.76988
8 -1 -1 -1 236.7 232.83590 3.86410
9 1.682 0 0 285.0 290.12933 -5.12933
10 -1.682 0 0 238.4 244.96290 -6.56290
11 0 1.682 0 290.0 292.56256 -2.56256
12 0 -1.682 0 241.7 250.82967 -9.12967
13 0 0 1.682 256.7 262.73135 -6.03135
14 0 0 -1.682 230.0 235.66088 -5.66088
15 0 0 0 280.0 291.33368 -11.33368
16 0 0 0 296.7 291.33368 5.36632
17 0 0 0 300.0 291.33368 8.66632
18 0 0 0 283.3 291.33368 -8.03368
19 0 0 0 290.0 291.33368 -1.33368
20 0 0 0 300.0 291.33368 8.66632