sktime.utils.data_processing.from_nested_to_3d_numpy

sktime.utils.data_processing.from_nested_to_3d_numpy(X)[source]

Convert nested pandas DataFrame (with time series as pandas Series in cells) into NumPy ndarray with shape (n_instances, n_columns, n_timepoints).

Parameters

X (pd.DataFrame) – Nested pandas DataFrame

Returns

X_3d – 3-dimensional NumPy array

Return type

np.ndarrray