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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Regul Toxicol Pharmacol. 2011 Jul 1;61(1):98–104. doi: 10.1016/j.yrtph.2011.06.006

Table 9.

Goodness of fit for a database of 481 test results using a mixture of three binomial distributions

Number of Positive Animals in a 6-Animal Test Predicted Type I Irritants Predicted Type II Irritants Predicted Nonirritants Total Predicted by NICEATM Model Observed in NICEATM Database
0 0 1.0 143.4 144.4 142
1 0 5.8 15.0 20.8 21
2 0 14.5 0.6 15.1 19
3 0.1 19.4 0 19.5 15
4 1.7 14.5 0 16.2 20
5 30.7 5.8 0 36.5 35
6 227.5 1.0 0 228.5 229
Total 260 (54.0%) 62 (12.9%) 159 (33.1%) 481 481