Austin

docs/fa21-final/index.html

@@ -137,6 +137,16 @@ <h1 class="title">Fall 2021 Final Exam</h1>
 open-internet, and students were able to use Jupyter Notebooks. They had
 <strong>3 hours</strong> to work on it.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>Welcome to the Final Exam! In honor of the (at the time) brand-new
 Comic-Con Museum that just opened at Balboa Park here in San Diego, this
 exam will contain questions about various museums and zoos around the

docs/fa21-midterm/index.html

@@ -138,6 +138,16 @@ <h1 class="title">Fall 2021 Midterm Exam</h1>
 internet and Jupyter notebooks. Students had <strong>50 minutes</strong>
 to work on it.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>King Triton, UCSD’s mascot, is quite the traveler! Throughout this
 exam, we will be working with the <code>flights</code> DataFrame, which
 details several facts about each of the flights that King Triton has

docs/fa22-final/index.html

@@ -140,6 +140,16 @@ <h1 class="title">Fall 2022 Final Exam</h1>
 10 Reference Sheet</a>. No calculators were allowed. Students had
 <strong>3 hours</strong> to take this exam.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>Credit cards allow consumers to make purchases by borrowing money and
 paying it back later. Credit card companies are wary of granting this
 borrowing ability to consumers who may not be able to pay back their

docs/fa22-midterm/index.html

@@ -140,6 +140,16 @@ <h1 class="title">Fall 2022 Midterm Exam</h1>
 10 Reference Sheet</a>. No calculators were allowed. Students had
 <strong>50 minutes</strong> to take this exam.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <h4 id="video">Video 🎥</h4>
 <p><b><a href="https://podcast.ucsd.edu/watch/sp23/dsc10_a00/14">Here’s
 a walkthrough video</a> of some of the problems on the exam.</b></p>

docs/fa23-final/index.html

@@ -140,6 +140,16 @@ <h1 class="title">Fall 2023 Final Exam</h1>
 10 Reference Sheet</a>. No calculators were allowed. Students had
 <strong>3 hours</strong> to take this exam.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <h1 id="data-overview-fraudulent-transactions">Data Overview: Fraudulent
 Transactions</h1>
 <p>Today, we’re diving into the high-stakes world of fraud detection.

docs/fa23-midterm/index.html

@@ -75,6 +75,16 @@ <h1 class="title">Fall 2023 Midterm Exam</h1>
 10 Reference Sheet<a>. No calculators were allowed. Students had
 <strong>50 minutes</strong> to take this exam.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>An area’s cost of living describes how expensive it is to live in
 that area. In this exam, we’ll work with the DataFrame
 <code>living_cost</code>, which describes the typical cost of living for

docs/fa23-quiz1/index.html

@@ -139,6 +139,16 @@ <h1 class="title">Fall 2023 Quiz 1</h1>
 href="https://dsc-courses.github.io/dsc10-2023-fa">Fall 2023 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <h2 id="problem-1">Problem 1</h2>
 <div class="meta">
 <p><span class="pill pill-lecture" title="Lecture number(s)">Lecture

docs/fa23-quiz2/index.html

@@ -139,6 +139,16 @@ <h1 class="title">Fall 2023 Quiz 2</h1>
 href="https://dsc-courses.github.io/dsc10-2023-fa">Fall 2023 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>The DataFrame <code>items</code> describes various items available to
 collect or purchase using bells, the currency used in the game
 <em>Animal Crossing: New Horizons</em>.</p>

docs/fa23-quiz3/index.html

@@ -139,6 +139,16 @@ <h1 class="title">Fall 2023 Quiz 3</h1>
 href="https://dsc-courses.github.io/dsc10-2023-fa">Fall 2023 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>Ciro is an avid fan of Costco, a members-only warehouse store. On his
 recent trip to the Morena Boulevard location near campus, he was
 surprised by how full shoppers’ carts were and was inspired to

docs/fa23-quiz4/index.html

@@ -74,6 +74,16 @@ <h1 class="title">Fall 2023 Quiz 4</h1>
 href="https://dsc-courses.github.io/dsc10-2023-fa">Fall 2023 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>Video streaming services, such as Netflix and Hulu, are more popular
 than ever. Let’s investigate trends in the video streaming habits of
 UCSD students.</p>

docs/fa24-final/index.html

@@ -76,6 +76,16 @@ <h1 class="title">Fall 2024 Final Exam</h1>
 then. Here is a <a href="../pdfs/final_fa24.pdf">PDF copy of the
 exam</a>, exactly as it was provided to students.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>Bill has opened a bookstore, called Bill’s Book Bonanza. In the
 DataFrame <code>bookstore</code>, each row corresponds to a unique book
 available at this bookstore. The index is <code>"ISBN"</code>

docs/fa24-midterm/index.html

@@ -138,6 +138,16 @@ <h1 class="title">Fall 2024 Midterm Exam</h1>
 sheet. No calculators were allowed. Students had <strong>50
 minutes</strong> to take this exam.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>Trick-or-treating is a Halloween tradition, where children wear
 costumes and walk around their neighborhood from house to house to
 collect candy. In this exam, you’ll work with a data set representing

docs/fa24-quiz1/index.html

@@ -74,6 +74,16 @@ <h1 class="title">Fall 2024 Quiz 1</h1>
 href="https://dsc-courses.github.io/dsc10-2024-fa">Fall 2024 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <h2 id="problem-1">Problem 1</h2>
 <div class="meta">
 <p><span class="pill pill-lecture" title="Lecture number(s)">Lecture

docs/fa24-quiz2/index.html

@@ -74,6 +74,16 @@ <h1 class="title">Fall 2024 Quiz 2</h1>
 href="https://dsc-courses.github.io/dsc10-2024-fa">Fall 2024 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>The DataFrame <code>uc</code> has information about the number of
 degrees awarded by each University of California campus, for each of the
 past six academic years <code>"2018-2019"</code> through

docs/fa24-quiz3/index.html

@@ -74,6 +74,16 @@ <h1 class="title">Fall 2024 Quiz 3</h1>
 href="https://dsc-courses.github.io/dsc10-2024-fa">Fall 2024 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <h2 id="problem-1">Problem 1</h2>
 <div class="meta">
 <p><span class="pill pill-lecture" title="Lecture number(s)">Lecture

docs/fa24-quiz4/index.html

@@ -74,6 +74,16 @@ <h1 class="title">Fall 2024 Quiz 4</h1>
 href="https://dsc-courses.github.io/dsc10-2024-fa">Fall 2024 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <h2 id="problem-1">Problem 1</h2>
 <div class="meta">
 <p><span class="pill pill-lecture" title="Lecture number(s)">Lecture

docs/fa25-midterm/index.html

@@ -24,7 +24,7 @@
       vertical-align: middle;
     }
   </style>
-  <link rel="stylesheet" href="..\assets\theme.css" />
+  <link rel="stylesheet" href="../assets/theme.css" />
   <script defer=""
   src="https://cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.js"></script>
   <script>document.addEventListener("DOMContentLoaded", function () {
@@ -73,6 +73,16 @@ <h1 class="title">Fall 2025 Midterm Exam</h1>
 sheet. No calculators were allowed. Students had <strong>50
 minutes</strong> to take this exam.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>The English language is considered a challenging language to learn,
 largely because there are exceptions to just about every “rule”!</p>
 <p>In this exam, we’ll work with a data set of English words that

docs/fa25-quiz1/index.html

@@ -24,7 +24,7 @@
       vertical-align: middle;
     }
   </style>
-  <link rel="stylesheet" href="..\assets\theme.css" />
+  <link rel="stylesheet" href="../assets/theme.css" />
   <script defer=""
   src="https://cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.js"></script>
   <script>document.addEventListener("DOMContentLoaded", function () {
@@ -73,6 +73,16 @@ <h1 class="title">Fall 2025 Quiz 1</h1>
 href="https://dsc-courses.github.io/dsc10-2025-fa">Fall 2025 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>You are the newest employee at Nintendo and you are tasked with
 creating the next Super Smash Brothers video game! Games in this famous
 series involve battles between characters from many different

docs/fa25-quiz2/index.html

@@ -24,7 +24,7 @@
       vertical-align: middle;
     }
   </style>
-  <link rel="stylesheet" href="..\assets\theme.css" />
+  <link rel="stylesheet" href="../assets/theme.css" />
   <script defer=""
   src="https://cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.js"></script>
   <script>document.addEventListener("DOMContentLoaded", function () {
@@ -73,6 +73,16 @@ <h1 class="title">Fall 2025 Quiz 2</h1>
 href="https://dsc-courses.github.io/dsc10-2025-fa">Fall 2025 offering of
 DSC 10</a>.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>The DataFrame <code>chipotle</code> contains information about all
 ingredients on the menu at the Chipotle restaurant chain. The DataFrame
 is indexed by ingredient <code>"name"</code> (str), and also includes

docs/index.html

@@ -401,7 +401,7 @@ <h3 id="exams">📝 Exams</h3>
 <a href='fa22-final/index.html'>Final</a>
 </td>
 <td>
-Electric vehicles<br> Board games
+Electric vehicles<br> Credit Card Applications
 </td>
 </tr>
 <tr>
@@ -546,7 +546,7 @@ <h3 id="quizzes">🙋‍♀️ Quizzes</h3>
 <a href='sp25-quiz5/index.html'>Quiz 5</a>
 </td>
 <td>
-Minecraft<br> Studio Ghibli<br> Concerts<br> Internships<br> Polphony
+Minecraft<br> Studio Ghibli<br> Concerts<br> Internships<br> Polyphony
 </td>
 </tr>
 <tr>

docs/sp22-final/index.html

@@ -139,6 +139,16 @@ <h1 class="title">Spring 2022 Final Exam</h1>
 10 Reference Sheet<a>. No calculators were allowed. Students had
 <strong>3 hours</strong> to take this exam.</p>
 <hr />
+<p><strong>Note (groupby / pandas 2.0):</strong> Pandas 2.0+ no longer
+silently drops columns that can’t be aggregated after a
+<code>groupby</code>, so code written for older pandas may behave
+differently or raise errors. In these practice materials we use
+<code>.get()</code> to select the column(s) we want after
+<code>.groupby(...).mean()</code> (or other aggregations) so that our
+solutions run on current pandas. On real exams you will not be penalized
+for omitting <code>.get()</code> when the old behavior would have
+produced the same answer.</p>
+<hr />
 <p>Welcome to
 <img src='../assets/images/sp22-final/ikea_logo.png' height=15> !</p>
 <p>IKEA is a Swedish furniture company that designs and sells