CSE 572-HW3 - School of Computing, Informatics, and...

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Data Mining (CSE 572), ASU, Spring 2010, Huan Liu http://www.public.asu.edu/~huanliu/DM10S/cse572.html Page 1 From 3 School of Computing, Informatics, and Decision Systems Engineering Data Mining (CSE 572) Spring 2010 Instructor: Dr. Huan Liu TA: Mohammad Ali Abbasi Homework # 3, Classification Deadline Feb 24, 2010 How to submit Hard copy in the Class; before the class HW3-1 : Consider the training example shown in Table 1, and Test set shown in Table 2, for a binary classification of mammals. Table 1. Training set.
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Data Mining (CSE 572), ASU, Spring 2010, Huan Liu http://www.public.asu.edu/~huanliu/DM10S/cse572.html Page 2 From 3 Table 2. Test set. a- What is the entropy of this collection of training set? b- What are the Information Gains of “ body temperature ”, “ Give Birth ”, “ Hibernates ”, and “ four legged ”? c- Based on the results from part b, what is the best split (according to the information gain)? d-
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This note was uploaded on 04/08/2010 for the course CS 420 taught by Professor Dawsonengler during the Spring '02 term at San Jose State.

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CSE 572-HW3 - School of Computing, Informatics, and...

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