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Table 8:
Summary of the performance of instance and feature selection methods in terms of testing error and storage reduction. The number of selected instances and features is also shown.
1-NNMemetic IS+FSCHC IS+FSIMOEA
TestingTestingInstancesFeaturesTestingInstancesFeaturesTestingInstancesFeatures
DataseterrorerrorStorageselectedselectederrorStorageselectedselectederrorStorageselectedselected
all-aml 0.1405 0.1637 0.0009 3.8 57.3 0.0827 0.0421 7.1 2,744.1 0.1524 0.1900 25.7 3,414.3 
breast-cancer-ma 0.4443 0.4128 0.0050 40.7 256.1 0.4481 0.0589 10.9 11,537.3 0.4221 0.2307 40.6 12,152.9 
central-nervous-system 0.4538 0.2786 0.0004 3.7 32.6 0.3495 0.0479 6.4 2,887.8 0.3948 0.1302 14.9 3,367.5 
colon-tumor 0.2714 0.1976 0.0003 3.2 9.9 0.1929 0.0395 7.7 575.4 0.2238 0.0808 11.0 820.2 
dbworld 0.4233 0.2262 0.0009 6.3 46.6 0.2543 0.0262 3.4 2,084.9 0.2986 0.1439 17.8 2,188.6 
dexter 0.4633 0.4083 0.0206 273.2 815.6 0.4217 0.2421 262.2 9,972.7 0.4417 0.2484 270.0 9,934.4 
dlbcl-harvard-outcome 0.4733 0.6000 0.0003 3.9 23.5 0.4400 0.0926 12.2 2,819.8 0.4067 0.1462 16.0 3,403.4 
dlbcl-harvard-tumor 0.1696 0.1571 0.0004 3.3 46.3 0.1429 0.0482 8.6 2,778.0 0.2196 0.1784 25.7 3,431.5 
dlbcl-nih 0.4418 0.4503 0.0355 103.2 545.0 0.4456 0.0549 24.6 3,564.8 0.4107 0.2309 100.8 3,662.5 
dlbcl-stanford 0.2383 0.1383 0.0002 2.5 11.4 0.2383 0.0366 5.2 1,191.8 0.4050 0.0632 6.1 1,763.5 
leukemia 0.1583 0.1810 0.0010 7.9 81.8 0.1851 0.0513 8.2 5,099.3 0.1738 0.1992 26.3 6,173.7 
lung-cancer-harvard1 0.1146 0.1307 0.0055 85.5 146.5 0.0940 0.0421 16.4 5,906.6 0.1498 0.2429 88.8 6,293.9 
lung-cancer-harvard2 0.0667 0.0611 0.0048 73.8 130.5 0.0111 0.0117 4.3 5,543.1 0.0602 0.2394 78.2 6,252.0 
lung-cancer-michigan 0.0100 0.0311 0.0002 4.1 29.6 0.0200 0.0174 4.0 2,683.5 0.0000 0.1812 32.1 3,479.9 
lung-cancer-ontario 0.3183 0.3133 0.0003 3.5 7.3 0.2800 0.0372 5.2 719.5 0.1900 0.0311 2.9 1,080.6 
ovarian-cancer 0.0634 0.0711 0.0068 110.2 215.9 0.1428 0.0685 31.9 7,406.2 0.1189 0.2523 115.7 7,524.8 
pediatric-leukemia 0.2289 0.2293 0.0366 148.9 905.6 0.1715 0.1447 86.6 6,176.7 0.3057 0.2432 144.3 6,227.5 
prostate 0.1758 0.2055 0.0111 54.1 313.2 0.1665 0.0635 16.6 5,903.2 0.2357 0.2287 56.7 6,220.2 
1-NNMemetic IS+FSCHC IS+FSIMOEA
TestingTestingInstancesFeaturesTestingInstancesFeaturesTestingInstancesFeatures
DataseterrorerrorStorageselectedselectederrorStorageselectedselectederrorStorageselectedselected
all-aml 0.1405 0.1637 0.0009 3.8 57.3 0.0827 0.0421 7.1 2,744.1 0.1524 0.1900 25.7 3,414.3 
breast-cancer-ma 0.4443 0.4128 0.0050 40.7 256.1 0.4481 0.0589 10.9 11,537.3 0.4221 0.2307 40.6 12,152.9 
central-nervous-system 0.4538 0.2786 0.0004 3.7 32.6 0.3495 0.0479 6.4 2,887.8 0.3948 0.1302 14.9 3,367.5 
colon-tumor 0.2714 0.1976 0.0003 3.2 9.9 0.1929 0.0395 7.7 575.4 0.2238 0.0808 11.0 820.2 
dbworld 0.4233 0.2262 0.0009 6.3 46.6 0.2543 0.0262 3.4 2,084.9 0.2986 0.1439 17.8 2,188.6 
dexter 0.4633 0.4083 0.0206 273.2 815.6 0.4217 0.2421 262.2 9,972.7 0.4417 0.2484 270.0 9,934.4 
dlbcl-harvard-outcome 0.4733 0.6000 0.0003 3.9 23.5 0.4400 0.0926 12.2 2,819.8 0.4067 0.1462 16.0 3,403.4 
dlbcl-harvard-tumor 0.1696 0.1571 0.0004 3.3 46.3 0.1429 0.0482 8.6 2,778.0 0.2196 0.1784 25.7 3,431.5 
dlbcl-nih 0.4418 0.4503 0.0355 103.2 545.0 0.4456 0.0549 24.6 3,564.8 0.4107 0.2309 100.8 3,662.5 
dlbcl-stanford 0.2383 0.1383 0.0002 2.5 11.4 0.2383 0.0366 5.2 1,191.8 0.4050 0.0632 6.1 1,763.5 
leukemia 0.1583 0.1810 0.0010 7.9 81.8 0.1851 0.0513 8.2 5,099.3 0.1738 0.1992 26.3 6,173.7 
lung-cancer-harvard1 0.1146 0.1307 0.0055 85.5 146.5 0.0940 0.0421 16.4 5,906.6 0.1498 0.2429 88.8 6,293.9 
lung-cancer-harvard2 0.0667 0.0611 0.0048 73.8 130.5 0.0111 0.0117 4.3 5,543.1 0.0602 0.2394 78.2 6,252.0 
lung-cancer-michigan 0.0100 0.0311 0.0002 4.1 29.6 0.0200 0.0174 4.0 2,683.5 0.0000 0.1812 32.1 3,479.9 
lung-cancer-ontario 0.3183 0.3133 0.0003 3.5 7.3 0.2800 0.0372 5.2 719.5 0.1900 0.0311 2.9 1,080.6 
ovarian-cancer 0.0634 0.0711 0.0068 110.2 215.9 0.1428 0.0685 31.9 7,406.2 0.1189 0.2523 115.7 7,524.8 
pediatric-leukemia 0.2289 0.2293 0.0366 148.9 905.6 0.1715 0.1447 86.6 6,176.7 0.3057 0.2432 144.3 6,227.5 
prostate 0.1758 0.2055 0.0111 54.1 313.2 0.1665 0.0635 16.6 5,903.2 0.2357 0.2287 56.7 6,220.2 
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