I am trying to use Target Encoder to encode categorical values in my dataset, but I've been getting an error and have no idea how to solve this issue. from category_encoders import TargetEncoder target_encoder = TargetEncoder(min_samples_leaf=2, smoothing=50.0) X_train_encoded = target_encoder.fit_transform(X_train) X_val_encoded = target_encoder.transform(X_val) X_test_encoded = target_encoder.transform(X_test) Thanks for your help! Continue reading...