Question: In Section 4.3.2, refer to the Poisson regression model with identity link for the crab data. Explain why the fit differs from the least squares

In Section 4.3.2, refer to the Poisson regression model with identity link for the crab data. Explain why the fit differs from the least squares fit. (Hint: The least squares fit is the same as the ML fit of the GLM assuming normal rather than Poisson random component. What do the two approaches assume about the variance of Y?)

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