Convertion to numpy array

to_array(record: ndarray | Series | Sequence[object]) → ndarray[tuple[int, ...], dtype[Any]]

Convert a record to a flat NumPy array of dtype object.

Parameters:

record (np.ndarray | pd.Series | Sequence[object]) – feature values.

Returns:

1D array of feature values, with original dtype preserved.

Return type:

NDArray[Any]