To facilitate finding simpler prediction models, a regularization function is typically used. This can factor several types of model complexity, such as the magnitude of the parameters, and penalize models that are too complex. A typical example is the L2 Regularization. Regularization is used as a form of overfitting prevention.
\( \textup{reg} \) | This is the symbol used for representing a regularization function. |
\( \mathbb{R} \) | This is the symbol for the set of real numbers. |
\( \Theta \) | This is the symbol for the set of all possible model parameters \( \htmlClass{sdt-0000000066}{\theta} \). |
Jaeger, H. (n.d.). Neural Networks (AI) (WBAI028-05) Lecture Notes BSc program in Artificial Intelligence. Retrieved April 24, 2024, from https://www.ai.rug.nl/minds/uploads/LN_NN_RUG.pdf