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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Consider the training examples shown In Table 4.7 for a binary classification problem.
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(a) Compute the Gini index for the overall collection of training examples.
(b) Compute the Cini index for the Customer ID attribute.
(c) Compute the Gina Index for the Gender attribute.
(d) Compute the Cini index for the Car Type attribute using multiway split.
(e) Compute the Cini index for the Shirt Size attribute using multiway split.
(f) Which attribute is better, Gondar, Car Type, or Shirt Size?
(g) Explain why Customer ID should not be used as the attribute test con-dition even though it has the lowest Cini.

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