Machine Learning Group at University of Waikato.

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 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 17

Page 560
    Line +2 : No solutions to exercises are provided.

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..."