Zusammenfassung der Ressource
Packet 4 Concept Map
- Multiple
Regression Model
- Mean Square Error (MSE)
- estimated random error variance
- Analysis of Variance F-test (ANOVA)
- determines if at least one of the slope
parameters is useful in predicting our
response variance
- numerator: k degrees of freedom
- denominator: (n-(k+1)) degrees of freedom
- also called "Model Utility Test"
- Ho: B1 = B2 = ... = Bk = 0
- Ha: at least one B =/= 0
- Inferences about Individual
Parameters
- Confidence Interval
- Hypothesis Test
- Timmy Hsueh
- Claire O'Brien
- Emma Lowry
- Multiple coefficients of
determination
- R^2
- R^2 adjusted
- interaction model
- Interaction indicated by crossing lines or different slopes
- Nested Model
- Test whether a group of k-g predictors should be kept in the model