how to solve this error? thanks #2
Description
TypeError Traceback (most recent call last)
in <cell line: 1>()
----> 1 f1_per_fold = perform_kfold_cv(df, models, optims, criterion, k_folds, device=device, n_epochs=10)
3 frames
/usr/local/lib/python3.10/dist-packages/sklearn/utils/validation.py in _num_samples(x)
333 if hasattr(x, "shape") and x.shape is not None:
334 if len(x.shape) == 0:
--> 335 raise TypeError(
336 "Singleton array %r cannot be considered a valid collection." % x
337 )
TypeError: Singleton array array(<Flags(allows_duplicate_labels=True)>, dtype=object) cannot be considered a valid collection.