pandas.Index.flatten¶
- Index.flatten(order='C')¶
Return a copy of the array collapsed into one dimension.
Parameters : order : {‘C’, ‘F’, ‘A’}, optional
Whether to flatten in C (row-major), Fortran (column-major) order, or preserve the C/Fortran ordering from a. The default is ‘C’.
Returns : y : ndarray
A copy of the input array, flattened to one dimension.
Examples
>>> a = np.array([[1,2], [3,4]]) >>> a.flatten() array([1, 2, 3, 4]) >>> a.flatten('F') array([1, 3, 2, 4])