 Solution

ID: past-exam-of-the-systems-biology-course-of-the-university-of-cambridge/2024/paper-3/1/i/solution

Use the log link:

lo g λ_{i} = β_{0} + β_{T} T_{i}, λ_{i} = E [N_{i} ∣ T_{i}],

where

N_{i}

is the offspring count and

T_{i}

is testosterone concentration. This link function keeps the fitted conditional mean positive.

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