NeurosciencebioRxivPreprint
I TRIED A BUNCH OF THINGS: THE DANGERS OF UNEXPECTED OVERFITTING IN CLASSIFICATION
Michael A. Powell, Mahan N. G. Hosseini, John James Collins…·Brad Wyble
The paper demonstrates how overfitting through hyperparameter tuning can lead to non-generalizable results in machine learning, despite cross-validation, and suggests safeguards to prevent this.