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Do any one give me some hints to solve this problem. Explain is steps by steps.Thanksenter image description here

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  • $\begingroup$ The first step is estimating the Gini index in each of the two regions for each of the two splits (four in total). Can you do that? $\endgroup$ – Yuval Filmus May 30 '20 at 7:55
  • $\begingroup$ Is I correct? for (a) the Gini index is 0 for the lowest part, 0.4*0.5+0.5*0.4=0.4 for the upper part $\endgroup$ – Hi Kwan Chan May 30 '20 at 8:49
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    $\begingroup$ I’m not going to check your calculations. You asked for guidance, so I explained what you need to do. I think you can take it from here. $\endgroup$ – Yuval Filmus May 30 '20 at 10:11
  • $\begingroup$ Thanks. After calculate the Gini index, what I am going to do? $\endgroup$ – Hi Kwan Chan May 30 '20 at 10:24
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    $\begingroup$ Read the question carefully and come up with an answer. $\endgroup$ – Yuval Filmus May 30 '20 at 12:05

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