机器学习中出现这个错误，可能因为啥The gamma value of 0.0 is invalid. Use 'auto' to set gamma to a value of 1 / n_features.
https://solveforum.com/forums/threads/solved-the-gamma-value-of-0-0-is-invalid-use-auto-to-set-gamma-to-a-value-of-1-n_features-closed.283699/