Class 1 (Module II) (3/13)

14 Março 2022, 09:30 • Jorge Filipe Campinos Landerset Cadima

[Slides 1-42] Introduction to Module II: programme, bibliography. Some motivating examples and initial comments about modelling and statistical modelling in particular. Simple linear regressions in a descriptive context: the regression line formulas; the underlying Least Squares criterion; properties of the regression line intercept and slope; properties of the regression line. The three Sums of Squares. The Coefficient of Determination and its properties. Simple linear regressions with R and the goat milk example. A bit of History regarding regressions. The sensitivity of the Least Squares criterion to outliers and the Animals dataset example. Warning: Exercises 1 to 6 can be solved.

Nota:Esta aula foi leccionada na segunda-feira, dia 21.3.22, das 9h45 às 12h25, na Sala S1, simultaneamente presencial e por zoom.