Errata: First Printing Only
(See page iv for Printing Number)
Page 13: sixth line under Table 1.4: Replace “little less that” by “little more than”
Page 68: The
description of how regularization is incorporated into logistic regression is
inaccurate. The objective can be written as the minimization of
L2 (Ridge) regularization involves adding
to this expression and L1 (Lasso)
regularization involves adding 
to it.
Page 88: last
line: replace “income ≤ $85,202” by “income >$85,202”
Page 90: Table
4.7, last line: replace “80.03%” by “80.23%”
Page 91: 4 lines
after first equation: replace “$48,850” by “$47,850”
Page 111: line 14:
replace “0.0003” by “0.0002”
Page 133: Section
6.6, line 3, delete “providing no income”
Page 138: In
equations for Vi1 and Vi2 summation
should run from j=1 to 8, not from i=1 to 8
Page 158: First line
after first equation: replace “1000” by “5,000”
Page 188: In Table 9.1, Feature weight and
contribution for Finished basement (sq.ft.) should be 20.42 and 15,437; Total on last line
should be 51,532. Two lines below table “$237,678” should be “$232,349”. Four
lines below table “$56,861” should be “$51,532”
Page 210: 2-3 lines before Section 10.6: Replace “0.33” by “0.32” and “9.7%” by about “9%”.
Page 240: Problem 9.3: Replace “0.3725” by “0.3795” in two places.
I am grateful to Emilio Barone, who translated the book into Italian, for pointing out errata in the first printing.