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Table 2 Comparison of Core Hunter 2 and 3

From: Core Hunter 3: flexible core subset selection

  E-NE DMIN Time (s)
Coconut
CH2 0.552 ± 3.53e-2 0.501 ± 9.76e-2 27.6 ± 06.0
CH3 0.576 ± 9.35e-5 0.540 ± 0.00e-0 37.5 ± 07.9
CH2L 0.569 ± 5.91e-4 0.548 ± 0.00e-0 31.0 ± 00.1
Maize
CH2 0.416 ± 1.52e-2 0.396 ± 2.46e-2 78.3 ± 10.6
CH3 0.435 ± 2.70e-4 0.409 ± 3.05e-3 74.3 ± 26.5
CH2L 0.429 ± 5.00e-4 0.415 ± 1.11e-3 78.6 ± 02.0
Pea
CH2 0.219 ± 1.49e-3 0.000 ± 0.00e-0 85.6 ± 04.5
CH3 0.338 ± 1.04e-3 0.287 ± 1.34e-2 154.1 ± 49.7
CH2L 0.325 ± 8.21e-4 0.297 ± 0.00e-0 802.3 ± 00.8
  1. CH2 maximizes a weighted index including average and minimum pairwise distance, with equal weight, while CH3 maximizes E-NE. Mean E-NE, DMIN, runtime and corresponding standard deviations are reported for 10 independent executions. The highest obtained E-NE and DMIN value per dataset is shown in bold. CH3 was terminated when no improvements were found during 10 s. For CH2, two alternatives were considered: (a) the same stop condition as for CH3 (CH2); and (b) an absolute runtime limit that was empirically determined per dataset to ensure that the LR replica of MixRep terminated in each run (CH2L)