Sumários

Lecture 13

20 Maio 2022, 11:00 Rui Paulo

Office hours.


Lecture 12

13 Maio 2022, 11:00 Rui Paulo

Quasi-likelihood. Overdispersion. Quasi-Poisson and quasi-binomial.


Lecture 11

6 Maio 2022, 11:00 Rui Paulo

Models for counts: Poisson GLM. The log-link, interpretation of coefficients.


Modelling rates, offsets. The Danish lung cancer data.

Poisson GLM as an approximation of binomial GLM.

Testing linear restrictions. Cambridge accident data.


Lecture 10

29 Abril 2022, 11:00 Rui Paulo

GLM for proportions. The budworm data: one numeric and one categorical explanatory variable. Link functions. Interpretation of the regression coefficients at the linear predictor and at the response scales. Interpretation with the canonical link. Models with interactions: interpretation of the interaction terms. Inference. Diagnostics.


Lecture 9

22 Abril 2022, 11:00 Rui Paulo

Inference in the context of a GLM. 


Inference for regression coefficients, the linear predictor and the mean when the dispersion parameter is known. Comparing nested models, analysis of deviance table. Goodness of fit. 

Inference when the dispersion parameter is unknown.

GLM for proportions: introduction.