Table 2 Mean signed error (MSE), mean absolute error (MAE), and mean absolute percentage error (MAPE) of calculated formation energies relative to experiments for 19 group I and II oxides and the transition metal oxides TiO\({}_{2}\) and RuO\({}_{2}\)

From: Beyond the RPA and GW methods with adiabatic xc-kernels for accurate ground state and quasiparticle energies

 

PBE

BEEF-vdW

EXX

RPA

rAPBE

MSE

−0.55

−0.40

−0.96

−0.38

−0.18

MAE

0.55

0.40

0.99

0.38

0.21

MAPE

14.7%

10.9%

39.6%

12.1%

6.6%

  1. Energies are in eV per oxygen atom. Data taken from ref. 108