def gmb(a, b):
    """Geometric mean bias
    """
    return np.exp(np.log(a).mean() - np.log(b).mean())
def gmb(a, b):
    """Geometric mean bias
    """
    return np.exp(np.log(a).mean() - np.log(b).mean())
def gmb ( a , b ) : return np . exp ( np . log ( a ) . mean ( ) - np . log ( b ) . mean ( ) )
Geometric mean bias
Geometric mean bias