Errata (3rd Edition)

This page lists known errors in the second edition of the book "Data Mining: Practical Machine Learning Tools and Techniques" by Ian H. Witten, Eibe Frank and Mark A. Hall.

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 3

Page 62
Line -3 : "PRP + 37.06 + 2.47CACH" should be "PRP = 37.06 + 2.47CACH"
Page 65
Line -12 : "(Iris versicolor, contaminated by only two virginicas)" should be "(Iris versicolor, contaminated by only one virginica)"
Line -11 : "(Iris setosa and virginica, contaminated by only two versicolors)" should be "(Iris setosa and virginica, contaminated by only three versicolors)"

#### Chapter 4

Page 107
The value of the split info under "Temperature" in Table 4.7 should be "1.557" instead of "1.362".
Page 126
Line -16: Attribute superscripts, (1), (2), ..., (k), in the log-likelihood expression should be (i), (i), ..., (i).

#### Chapter 5

Page 172
Line +17: "They plot the true positive rate on the vertical axis against the true negative rate on the horizontal axis" should be "They plot the true positive rate on the vertical axis against the false positive rate on the horizontal axis".

#### Chapter 6

Page 265
The first number in the table of the temperature node in Figure 6.20 should be "0.143" instead of "0.413".
Page 287
Line +6: "sigma^2" on the left-hand-side of the formula for the standard deviation should be "sigma" and the right-hand-side should have the square root taken.

#### Chapter 7

Page 342
Line -3: "1 1 X" in the Class Vector of Table 7.3 should be "1 X 0"
Line -2: "0 X 0" in the Class Vector of Table 7.3 should be "0 1 X"
Line -1: "1 X 0" in the Class Vector of Table 7.3 should be "1 X 1"

#### Chapter 11

Page 436
All occurrences of the word "quartile" should be "percentile".

#### Chapter 17

Page 560
Line +2 : No solutions to exercises are provided.
Page 582
Line +14: "described in Section 4.5 (page 144)" should be "described in Section 4.5 (page 116)"

#### Rear cover

Line -8 : "Ian H. Witten, Assistant Professor at the..." should be "Ian H. Witten, Professor at the..."
Line -4 : "Eibe Frank, Senior Lecturer at the..." should be "Eibe Frank, Associate Professor at the..."
Line -2 : "Mark A. Hall, Honorary Research Associate, Department of..." should be "Mark A. Hall, Chief Architect of Data Mining at Pentaho Corporation; Honorary Research Associate, Department of..."