Information Gain Calculator

This page exists due to the efforts of the following people:

Patrick Sor

Patrick Sor

Is use in decision tree.
Formula as below:

def two_group_ent(first, tot):
return -(first/totnp.log2(first/tot) +

tot_ent = two_group_ent(10, 24)
g17_ent = 15/24 two_group_ent(11,15) +

answer = tot_ent - g17_ent

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Creative Commons Attribution/Share-Alike License 3.0 (Unported) PLANETCALC, Information Gain Calculator