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<h1 class="title toc-ignore">Errata</h1>
</div>
<p>Last updated August 15, 2024</p>
<div id="known-errors-in-the-2nd-edition" class="section level2">
<h2>Known Errors in the 2nd edition</h2>
<ul>
<li><a href="https://www.github.com/mdsr-book/mdsr2e/issues">File an
issue</a></li>
<li>Problem 11 in Chapter 6 should refer to the “approach described in
Section 6.4.1.2” instead of Section 5.5.4. (nhorton)</li>
</ul>
</div>
<div id="bibtex-entry" class="section level2">
<h2>BibTeX entry</h2>
<pre><code>@book{baumer2021mdsr,
title={{Modern Data Science with R}},
author={Benjamin S. Baumer and Daniel T. Kaplan and Nicholas J. Horton},
year={2021},
month={3},
day={12},
edition={2nd},
pages={1--673},
publisher={Chapman and Hall/CRC Press: Boca Raton},
isbn={9780367191498},
url={https://www.routledge.com/Modern-Data-Science-with-R/Baumer-Kaplan-Horton/p/book/9780367191498}
}</code></pre>
<hr>
</div>
<div id="known-errors-in-the-1st-edition" class="section level2">
<h2>Known Errors in the 1st edition</h2>
<div id="to-be-fixed-for-the-third-printing" class="section level3">
<h3>To be fixed for the third printing</h3>
<ul>
<li>Page 11: The caption should say “USD” instead of “millions of USD”.
(rporta)</li>
<li>Page 37: The end of the last sentence should read “corresponds to a
value of 30 roadways per unit area”. (mhilton)</li>
<li>Page 91: The key for the Google spreadsheet has changed. Try
<code>hiv_key <- "1kWH_xdJDM4SMfT_Kzpkk-1yuxWChfurZuWYjfmv51EA"</code>
instead. (mwan)</li>
<li>Page 156: “We can compare this to a (hypothetical) sample of size
<span class="math inline">\(n = 1,000\)</span>” should be “We can
compare this to a (hypothetical) sample of size <span
class="math inline">\(n = 200\)</span>” (zzhang)</li>
<li>Page 282: A comma is missing in the SQL query that causes the
<code>dest</code> column to be erroneously labelled <code>flight</code>.
(kbaker)</li>
<li>Page 310-313: There is inconsistent usage of <code>babynamedb</code>
and <code>babynamedata</code>. All references should be to
<code>babynamedb</code>. (kbaker)</li>
<li>Page 378: “The <em>diameter</em> of a graph is the length of the
longest geodesic between any [two] pairs of vertices.” The word “two”
should be removed. (agary)</li>
<li>Page 379: A parenthesis is missing after “(see Figure 16.1”.
(bbaumer)</li>
</ul>
</div>
<div id="fixed-for-the-second-printing" class="section level3">
<h3>Fixed for the second printing</h3>
<ul>
<li><p>Page 10: The last sentence should start “It also seems clear”
instead of “In also seems clear”. (voberholzer)</p></li>
<li><p>Page 36: In the caption to Figure 3.4, it should read
“<code>roadways</code> is mapped to size”, instead of “<code>educ</code>
is mapped to size.” (gmontoya)</p></li>
<li><p>Page 65: The <code>filter()</code> command on the
<code>start</code> variable at the bottom of the page does not work as
intended. The argument should be <code>start > "1973-01-01"</code>.
(<a
href="https://github.com/mdsr-book/mdsr-book.github.io/issues/15">sschmidt</a>)</p></li>
<li><p>Page 90: At the end of Exercise 4.16, the following sentence
should be added: “Use the <code>Births78</code> data set from the
<code>mosaicData</code> package as a reference.”
(nhorton/bbaumer)</p></li>
<li><p>Page 214: It’s not clear where <code>Votes_wide</code> comes
from. It’s shown in Table 9.1 and the code to generate it is
(lkaganovskiy):</p>
<pre class="r"><code>library(mdsr)
Votes_wide <- Votes %>%
tidyr::spread(key = bill, value = vote)</code></pre></li>
<li><p>Page 375: Exercise 15.4 should read: “Find all of the adjectives
in one of Shakespeare’s plays that end in <code>more</code> or
<code>less</code>.” (nhorton/bbaumer)</p></li>
<li><p>Page 375: Exercise 15.5 should read: “Find all of the lines
containing the stage direction <code>Exit</code> or <code>Exeunt</code>
in one of Shakespeare’s plays.” (nhorton/bbaumer)</p></li>
<li><p>Page 399: Lambert Conformal Conic projection is misspelled.
(nhorton)</p></li>
<li><p>Page 465: The residuals should be defined as <span
class="math inline">\(\hat{\epsilon}_i = y_i - \hat{y}_i\)</span>. (<a
href="https://github.com/mdsr-book/mdsr-book.github.io/issues/14">alanarnholt</a>)</p></li>
</ul>
</div>
</div>
<div id="bibtex-entry-1" class="section level2">
<h2>BibTeX entry</h2>
<pre><code>@book{baumer2017mdsr,
title={{Modern Data Science with R}},
author={Benjamin S. Baumer and Daniel T. Kaplan and Nicholas J. Horton},
year={2017},
month={2},
day={10},
pages={1--582},
publisher={Chapman and Hall/CRC Press: Boca Raton},
isbn={9781498724487},
url={https://www.crcpress.com/Modern-Data-Science-with-R/Baumer-Kaplan-Horton/9781498724487}
}</code></pre>
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