R^2 Flashcards
1
Q
what does R^2 represent?
A
the proportion of variance in Y that is explained by the model
2
Q
how to calculate R^2?
A
SSmodel / SStotal
3
Q
adjusted R^2
A
adjusts for the number of terms in a model and should be used when 2 or more predictors are in a model
- adjusts for sample size and number of predictors
