Multiple regression — definition?
Predicts an outcome using multiple predictors.
Multiple Regression Model
Predicts outcome as linear function of predictors.
Residuals — role?
Measure prediction errors for individual observations.
Regression predictors
Variables used to predict response.
Residual
Observed minus predicted value.
Sum of squared errors
Total squared residuals measure prediction error.
Coefficient of determination
Proportion of variance explained by model.
Total sum of squares
Variance of outcome around null prediction.
ANOVA via regression
Partitioning variance to test predictor significance.
Teste dein Wissen mit 11 Fragen zu Mastering Multiple Regression and ANOVA.
1. What does a multiple regression model express about a numerical outcome?
2. What is a multiple regression model?
Überprüfe den vollständigen Kurs im Lernzettel zu Mastering Multiple Regression and ANOVA.
Lernzettel ansehen →Importiere deinen Kurs und die KI erstellt in 30 Sekunden Karteikarten.
Karteikarten-Generator