[BUG] ShapeletTransformClassifier doesn't work with y as pd.Series #321
Description
Describe the bug
ShapeletTransformClassifier doesn't work with y as pd.Series
To Reproduce
This breaks:
from sktime.classification.shapelet_based import ShapeletTransformClassifier
from sktime.datasets import load_arrow_head
from sklearn.model_selection import train_test_split
X, y = load_arrow_head(return_X_y=True)
X_train, X_test, y_train, y_test = train_test_split(X, y)
c = ShapeletTransformClassifier()
c.fit(X_train, y_train)Expected behavior
Works with pd.Series or np.array
Additional context
This works:
from sktime.classification.shapelet_based import ShapeletTransformClassifier
from sktime.datasets import load_arrow_head
from sklearn.model_selection import train_test_split
X, y = load_arrow_head(return_X_y=True)
X_train, X_test, y_train, y_test = train_test_split(X, y)
c = ShapeletTransformClassifier()
c.fit(X_train, y_train.to_numpy())