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Table 2 Breakdown of Classification Errors

From: Generating prior probabilities for classifiers of brain tumours using belief networks

Class

Share of Error (Prevalence)

Share of Error (Belief Network)

astrocytoma G1, G2 v 24

18.5%

15.2%

medulloblastoma v 30

27.1%

25.6%

ependymoma v 29

9.2%

11.3%

germinoma v 27

8.0%

4.8%

PNET v 28

7.6%

7.3%

astrocytoma grade G3, G4 v 31

12.1%

14.1%

other v 32

17.5%

21.6%

  1. Each percentage is the apportionment of total classification errors attributable to each class, obtained over the 920 trials used to estimate the 632+ error.