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How to put information gain formula in matlab?

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Muhammad Ibrar
Muhammad Ibrar 2019-3-10
编辑： Muhammad Ibrar 2019-3-14
i'm trying to put the information gain technique formula in matlab but im new in this field so can anyone help me please , I attached the formula pdf file above....thanks in advance
InfoGain(t) = - sum_{i=1}^{m} Pr(c_i) log Pr(c_i)
+ Pr(t) sum{i=1}^{m} Pr(c_i|t) log Pr(c_i|t)
+ Pr(~t) sum{i=1}^{m} Pr(c_i|~t) log Pr(c_i|~t);
here error in 'sum'

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