Measure

MinorityClassSize

Number of instances belonging to the least frequent class.

Value per dataset

MercuryinBass (1) -1
mv (1) -1
kdd_ipums_la_98-small (1) 791
qqdefects_numeric (1) -1
gina_prior2 (1) 315
ar1 (1) 9
analcatdata_challenger (2) 9
datatrieve (1) 11
puma32H (1) -1
kc1-top5 (1) 8
sylva_prior (1) 886
nasa_numeric (1) -1
mw1 (1) 31
mc1 (1) 68
ar6 (1) 15
glass (2) 76
mfeat-pixel (2) 200
soybean (2) 92
ar5 (1) 8
FacultySalaries (1) -1
Brainsize (1) -1
analcatdata_germangss (2) 90
kdd_ipums_la_99-small (1) 568
dermatology (2) 112
primary-tumor (2) 84
white-clover (1) 1
kdd_synthetic_control (1) 100
bridges (5) 44
vowel (3) 90
pc2 (1) 23
white-clover (2) 25
ar3 (1) 8
jEdit_4.0_4.2 (1) 134
cm1_req (1) 20
nursery (3) 328
bridges (2) 10
postoperative-patient-data (1) 2
trains (1) 5
BNG(anneal,nominal,1000000) (1) 597
BNG(anneal.ORIG,nominal,1000000) (1) 597
BNG(kr-vs-kp) (1) 478125
BNG(letter,nominal,1000000) (1) 36483
BNG(autos,nominal,1000000) (1) 2430
BNG(lymph,nominal,1000000) (1) 16553
BNG(mfeat-fourier,nominal,1000000) (1) 99773
walking-activity (1) 911
robot-failures-lp1 (1) 16
sonar (1) 97
volcanoes-a3 (1) 29
cylinder-bands (1) 228
nursery (1) 2
skin-segmentation (1) 50859
BNG(labor,nominal,1000000) (1) 354480
BNG(breast-cancer,nominal,1000000) (1) 297177
leaf (1) 8
ionosphere (1) 126
lymph (1) 2
vowel (1) 90
colic (1) 136
parkinsons (1) 48
wholesale-customers (1) 142
heart-long-beach (1) 10
heart-switzerland (1) 5
robot-failures-lp2 (1) 5
robot-failures-lp3 (1) 3
robot-failures-lp4 (1) 21
robot-failures-lp5 (1) 21
vertebra-column (1) 60
vertebra-column (2) 100
volcanoes-a1 (1) 58
volcanoes-a2 (1) 29
volcanoes-a4 (1) 29
volcanoes-b1 (1) 26
volcanoes-b2 (1) 26
volcanoes-b3 (1) 25
volcanoes-b4 (1) 26
volcanoes-b5 (1) 26
volcanoes-b6 (1) 26
volcanoes-c1 (1) 71
volcanoes-d1 (1) 56
volcanoes-d2 (1) 56
volcanoes-d3 (1) 58
volcanoes-d4 (1) 56
volcanoes-e1 (1) 9
volcanoes-e2 (1) 8
volcanoes-e3 (1) 9
volcanoes-e4 (1) 9
volcanoes-e5 (1) 9
autoUniv-au1-1000 (1) 259
autoUniv-au4-2500 (1) 196
autoUniv-au6-750 (1) 57
autoUniv-au6-400 (1) 25
autoUniv-au7-1100 (1) 153
autoUniv-au7-700 (1) 214
autoUniv-au7-500 (1) 43
autoUniv-au6-1000 (1) 89
acute-inflammations (2) 59
abalone (3) 1323
bank-marketing (2) 521