def max(self, axis=None, keepdims=False):
from numpy import maximum<EOL>return self._stat(axis, func=maximum, keepdims=keepdims)<EOL>
Return the maximum of the array over the given axis.

Parameters
----------
axis : tuple or int, optional, default=None
    Axis to compute statistic over, if None
    will compute over all axes

keepdims : boolean, optional, default=False
    Keep axis remaining after operation with size 1.