DataFrame.as_matrix()

pandas.DataFrame.as_matrix

DataFrame.as_matrix(columns=None)

Convert the frame to its Numpy-array representation.

Parameters:

columns: list, optional, default:None

If None, return all columns, otherwise, returns specified columns.

Returns:

values : ndarray

If the caller is heterogeneous and contains booleans or objects, the result will be of dtype=object. See Notes.