def gmv(a, b):
    """Geometric mean variance
    """
    return np.exp(np.square(np.log(a) - np.log(b)).mean())
def gmv(a, b):
    """Geometric mean variance
    """
    return np.exp(np.square(np.log(a) - np.log(b)).mean())
def gmv ( a , b ) : return np . exp ( np . square ( np . log ( a ) - np . log ( b ) ) . mean ( ) )
Geometric mean variance
Geometric mean variance