Singleton array array(<function train at 0x7f3a311320d0>, dtype=object) cannot be considered a valid collection Singleton array array(<function train at 0x7f3a311320d0>, dtype=object) cannot be considered a valid collection pandas pandas
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Singleton array array(<function train at 0x7f3a311320d0>, dtype=object) cannot be considered a valid collection
python
pandas
scikit-learn
pipeline
train-test-split
lien
pandas
How to generate a train-test-split based on a group id?
python-3.x
pandas
machine-learning
grouping
train-test-split
lien
pandas
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