After a data set was partitioned using the split value of 45.5 for age. The age <
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After a data set was partitioned using the split value of 45.5 for age. The age < 45.5 partition contains 22 patients with a diabetes diagnosis and 178 patients without a diabetes diagnosis, and the age ≥ 45.5 partition contains 48 patients with a diabetes diagnosis and 152 patients without a diabetes diagnosis.
a. Compute the Gini impurity index for the root node.
b. Compute the Gini impurity index for the age < 45.5 partition.
c. Compute the Gini impurity index for the age ≥ 45.4 partition.
d. Compute the Gini impurity index for the split.
e. State the rules generated from this split.
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Related Book For
Business Analytics Communicating With Numbers
ISBN: 9781260785005
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen
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