Model | Deviance | Δ | Degrees of freedom |
χ20.95,1 p-value |
χ20.95,m-k p-value |
Exponential | 9.88 | 6.48 | 5 | 3.84 0.011 |
11.1 0.0788 |
beta Poisson | 3.4 | 4 | 9.49 0.494 |
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beta-Poisson fits better than exponential; can not reject good fit for beta-Poisson |
Parameter | MLE Estimate | 0.5% | 2.5% | 5% | 95% | 97.5% | 99.5% |
α | 6.95E-01 | 2.69E-01 | 3.39E-01 | 3.78E-01 | 2.56E+0 | 2.28E+01 | 1.18E+03 |
N50 | 3.39E+03 | 3.58E+01 | 2.47E+02 | 4.67E+02 | 1.09E+04 | 1.26E+04 | 1.85E+04 |
Dose (CFU) | Infected | Non-Infected | Total |
---|---|---|---|
5500 | 7 | 3 | 10 |
32400 | 7 | 3 | 10 |
55000 | 9 | 1 | 10 |
251000 | 10 | 0 | 10 |
550000 | 10 | 0 | 10 |
2820000 | 10 | 0 | 10 |
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Model | Deviance | Δ | DF | χ20.95,df | χ20.95,1 | Good fit? | Parameters | LD50 |
---|---|---|---|---|---|---|---|---|
Multi-hit | 1.09 | 15.69 | 5 | 11.1 | 3.84 | Yes | k = 4.12 × 10−6 kmin=11 | 2,588,047 |
Dose (CFU) | Positive Response | Negative Response |
---|---|---|
80000 | 0 | 10 |
400000 | 0 | 10 |
900000 | 0 | 10 |
2000000 | 2 | 5 |
3000000 | 6 | 4 |
4500000 | 10 | 0 |
8000000 | 10 | 0 |
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Parameter scatter plot for beta Poisson model ellipses signify the 0.9, 0.95 and 0.99 confidence of the parameters.
beta Poisson model plot, with confidence bounds around optimized model
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Parameter scatter plot for beta Poisson model ellipses signify the 0.9, 0.95 and 0.99 confidence of the parameters.
beta Poisson model plot, with confidence bounds around optimized model
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Parameter scatter plot for beta Poisson model ellipses signify the 0.9, 0.95 and 0.99 confidence of the parameters.
beta Poisson model plot, with confidence bounds around optimized model
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Parameter histogram for exponential model (uncertainty of the parameter)
Exponential model plot, with confidence bounds around optimized model
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Parameter scatter plot for beta Poisson model ellipses signify the 0.9, 0.95 and 0.99 confidence of the parameters.
beta Poisson model plot, with confidence bounds around optimized model
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Parameter scatter plot for beta Poisson model ellipses signify the 0.9, 0.95 and 0.99 confidence of the parameters.
beta Poisson model plot, with confidence bounds around optimized model
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