266a3862_art_III___Stats_With_Cats_Blog__Identification
[Your Model] Overfitting [Correction] Keep the model as simple as possible. Make sure the ratio of observations to independent variables is large. Use diagnostic statistics like AIC and BIC to help select an appropriate number of variables. [Identification] 
If you have a large number of independent variables, especially if they use a variety of transformation and don’t contribute much to the accuracy and precision of the model, you may have overfit the model.
Regression Fantasies: Part III | Stats With Cats Blog
Identification