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Table 4 Mean RMSE results

From: An efficient annealing-assisted differential evolution for multi-parameter adaptive latent factor analysis

Dataset Method RMSE and computational efficiency measures
RMSE Iteration number Total time (s) Per time (s)
D1 M1 0.7213 ± 1.849E–04 143.9 ± 7.379E-01 240.8 ± 1.172E + 01 1.674 ± 8.591E-02
M2 0.7363 ± 2.298E–04 234.9 ± 3.542E + 00 793.2 ± 2.143E + 01 3.377 ± 6.292E-02
M3 0.7252 ± 3.741E–03 291 ± 0.000E + 00 1607 ± 2.048E + 03 5.523 ± 2.048E + 00
M4 0.7232 ± 1.231E–04 7.000 ± 0.000E + 00 303.7 ± 2.755E + 01 43.39 ± 3.936E + 00
M5 0.7193 ± 2.558E–03 24.30 ± 1.477E + 01 1114 ± 6.864E + 02 45.64 ± 1.383E + 00
M6 0.7168 ± 7.518E04 24.30 ± 5.926E + 00 1011 ± 2.474E + 02 41.62 ± 1.101E + 00
D2 M1 0.7807 ± 2.030E–04 120.9 ± 1.287E + 00 221.9 ± 6.055E + 00 1.835 ± 4.187E-02
M2 0.7898 ± 2.547E–04 210.3 ± 2.541E + 00 770.7 ± 1.111E + 01 3.665 ± 2.210E-02
M3 0.7804 ± 1.781E–04 271 ± 0.000E + 00 1900 ± 1.504E + 03 7.010 ± 1.504E + 00
M4 0.7826 ± 1.292E–04 6.000 ± 0.000E + 00 320.9 ± 2.892E + 01 53.50 ± 4.820E + 00
M5 0.7796 ± 1.392E–03 21.10 ± 8.006E + 00 1097 ± 4.187E + 02 51.94 ± 1.242E + 00
M6 0.7780 ± 1.286E03 18.70 ± 5.618E + 00 912.3 ± 2.920E + 02 48.56 ± 2.521E + 00
D3 M1 0.9506 ± 2.439E–04 202.8 ± 1.751E + 00 149.7 ± 3.050E + 00 0.7380 ± 1.325E-02
M2 0.9467 ± 5.613E–04 260.6 ± 2.066E + 00 389.9 ± 1.308E + 01 1.496 ± 5.253E-02
M3 0.9581 ± 8.206E–04 466 ± 0.000E + 00 1293 ± 7.030E + 01 2.774 ± 7.030E-02
M4 0.9523 ± 2.134E–03 10.8 ± 3.615E + 00 222.0 ± 7.531E + 01 20.54 ± 5.005E-01
M5 0.9447 ± 2.557E–03 35.60 ± 6.207E + 01 827.5 ± 1.426E + 03 23.52 ± 5.334E-01
M6 0.9398 ± 1.257E03 21.60 ± 2.989E + 00 507.6 ± 6.981E + 01 23.51 ± 2.679E-01
D4 M1 1.062 ± 2.223E–04 65.30 ± 6.749E-01 765.8 ± 2.323E + 01 11.73 ± 3.386E-01
M2 1.071 ± 2.933E–04 227.6 ± 1.350E + 00 6353 ± 4.055E + 01 27.91 ± 1.879E-01
M3 1.061 ± 3.330E–04 93.60 ± 8.600E + 01 7304 ± 6.493 + 01 78.02 ± 4.600E-01
M4 1.064 ± 2.617E–04 3.700 ± 4.830E-01 1090 ± 1.985E + 02 292.7 ± 2.031E + 01
M5 1.062 ± 3.834E–03 8.800 ± 2.741E + 00 2889 ± 9.334E + 02 327.6 ± 4.029E + 00
M6 1.060 ± 1.257E–03 10.10 ± 1.729E + 00 3171 ± 5.463E + 02 313.9 ± 1.996E + 00
D5 M1 0.7357 ± 1.072E–04 1000 ± 0.000E + 00 2171 ± 5.503E + 01 2.171 ± 5.503E-02
M2 0.7376 ± 1.465E–04 684.8 ± 4.341E + 00 2810 ± 3.148E + 01 4.104 ± 4.440E-02
M3 0.7364 ± 6.200E–05 438.0 ± 4.150E + 00 2027 ± 8.028E + 01 4.627 ± 2.400E-01
M4 0.7364 ± 8.703E–05 16.90 ± 3.162E-01 731.5 ± 3.394E + 01 43.28 ± 1.701E + 00
M5 0.7358 ± 2.201E–03 41.40 ± 2.899E + 01 1671 ± 1.336E + 03 39.40 ± 3.203E + 00
M6 0.7354 ± 5.410E–04 47.10 ± 6.574E + 00 1775 ± 3.674E + 02 37.59 ± 5.182E + 00