Model choice

28 Março 2014, 09:30 • NICOLETTA ROSATI

Nested models. Comparison of nested models using the deviance difference: statistical test of significance. Examples.

Discussion of selected exercises from Exercise Sheet no. 1: Ex. 6 (iv), Ex. 7 (i)-(iv). Note on parametrisation.

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Generalised linear models

21 Março 2014, 08:30 • NICOLETTA ROSATI

More on linear predictors: variables, factors, interactions.

Deviance and scaled deviance. Model fit and model comparison. Examples.

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Generalised linear models

14 Março 2014, 08:30 • NICOLETTA ROSATI

Introduction to Generalised Linear Models: link functions, canonical link function, linear predictor, variables, factors, interactions. Examples.

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Exponential family of distributions

7 Março 2014, 09:30 • NICOLETTA ROSATI

Exponential family of distributions: Binomial (cont.) and Gamma distribution.

Review of Normal Linear Model.

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Exponential family of distributions

28 Fevereiro 2014, 09:30 • NICOLETTA ROSATI

Exponential family of distributions: introduction. Natural and scale parameters. Mean and variance. Variance function. Examples: Poisson and Normal distributions. Introduction to Binomial distribution.

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