Apple-Apple Watch Sport 42mm Rose Gold Aluminum Case-Stone Sport Band.
I think you inversed the relationship. Multiple R is the correlation between actual and predicted values of the dependant variable. R2 is the modelâs accuracy in explaining the dependant variable. I think there is a testable difference.
Definition of R-squared. In statistics, R-squared (R2), or the coefficient of determination, is a widely used measure of a model (regression) performance against known observations. It is used in the asset management industry to measure the relationship between a portfolio and its benchmark. In the asset management world it is expressed as a percentage.