Problem 1. Consider a dataset with three columns of binary attributes A1, A2 and a binary label attribute Y. There are eight types of data point in total, and their corresponding proportions in the...

Problem 1. Consider a dataset with three columns of binary attributes A1, A2 and a binary label<br>attribute Y. There are eight types of data point in total, and their corresponding proportions in<br>the dataset are captured in the column P.<br>type ! A1 A2 Y| P<br>8%<br>1<br>2<br>1<br>29%<br>1<br>2%<br>18%<br>3<br>1<br>1<br>4<br>1<br>1<br>16%<br>2%<br>0.<br>6.<br>1<br>7<br>1<br>1%<br>8<br>1<br>1<br>1<br>24%<br>(a) What is the GINI index of the dataset?<br>(b) What is the GINI index of the split on A1 and<br>that on A2 respectively?<br>

Extracted text: Problem 1. Consider a dataset with three columns of binary attributes A1, A2 and a binary label attribute Y. There are eight types of data point in total, and their corresponding proportions in the dataset are captured in the column P. type ! A1 A2 Y| P 8% 1 2 1 29% 1 2% 18% 3 1 1 4 1 1 16% 2% 0. 6. 1 7 1 1% 8 1 1 1 24% (a) What is the GINI index of the dataset? (b) What is the GINI index of the split on A1 and that on A2 respectively?

Jun 04, 2022

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Problem 1. Consider a dataset with three columns of binary attributes A1, A2 and a binary label attribute Y. There are eight types of data point in total, and their corresponding proportions in the...

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