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This page lists known errors in the fourth edition of the book "Data Mining: Practical Machine Learning Tools and Techniques" by Ian H. Witten, Eibe Frank, Mark A. Hall, and Chris J. Pal.
A list of errors in the third edition can be found here.
A list of errors in the second edition can be found here.
A list of errors in the first edition can be found here.
Chapter 4
Page 98
Line 14 : An incorrect equation is shown as Equation 4.1. The correct equation for Bayes' rule is
Page 130
Line 9: A closing square bracket is missing from the formula for the logit transformation. The correct expression is
Chapter 5
Page 185
Line 11: Replace "about 2.4" with "about 1.6".
Part II
Page 207
Line -19: Replace "Data transformations" with "Deep learning."
Chapter 9
Page 396
Line -5 : A log should be inserted in the last equation on page 396, yielding the following expression:
Page 397
Line 1 : A log should be inserted in the first equation on page 397, yielding the following expression:
Page 398
Line 1 : The transposes that are applied to the matrix W in the first equation on page 398 need to be removed, yielding the following expression:
Page 398
Line -19 : Every x in the last equation on page 398 should be lowercase, including the one in the subscript, yielding the following expression:
Chapter 10
Page 423
Table 10.2, third row : Replace "Softmax" with "Categorical cross entropy".
Page 441
Line 2 : The symbol for cross-correlation is incorrect. The correct expression for the second line on page 441 is
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