def abs_error(prediction, y, norm=None, beta=0):
	norm = np.ones((prediction.shape[0])) if norm is None else norm
	beta = 0 if beta is None else beta
	return np.abs(prediction - y) / (norm + beta)
Returns server details by server id.
dataset/ETHPy150Open donlnz/nonconformist/nonconformist/nc.py/abs_error--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/api/openstack/compute/legacy_v2/servers.py/Controller.show