In a multiple regression I start with two independent variables and in the following two blocks I am adding more predictors every time. The R Square is increasing with each addition of predictors, but the F-value is decreasing. How is this possible or what is done wrong perhaps?
Solved – How is it possible that R square increases and the F value decreases
multiple regressionr-squared
Best Answer
Yes, this is possible, although it should be rare in practice. There are two parts: