(a) Prove that the Ï coefficient is equal to 1 if and only if f11 = f1+...
Question:
(b) Show that if A and B are independent, then P(A,B) × P(A, ) = P(A,) × P(, B).
(c) Show that Yule's Q and Y coefficients
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are normalized versions of the odds ratio.
(d) Write a simplified expression for the value of each measure shown in Tables 6.11 and 6.12 when the variables are statistically independent.
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a Instead of proving f 11 f 1 f 1 we will show that PAB PA PB where PAB f 11 N PA f 1 N and PB f 1 N ...View the full answer
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Related Book For 
Introduction to Data Mining
ISBN: 978-0321321367
1st edition
Authors: Pang Ning Tan, Michael Steinbach, Vipin Kumar
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