Render site

help.html

@@ -353,14 +353,14 @@ <h2><strong>Why are my changes not taking effect? It’s making my results look
 <p>Here we are creating a new object from an existing one:</p>
 <pre class="r"><code>new_rivers &lt;- sample(rivers, 5)
 new_rivers</code></pre>
-<pre><code>## [1]  250  380  444 1054  350</code></pre>
+<pre><code>## [1]  327 1885  460 3710  280</code></pre>
 <p>Using just this will only print the result and not actually change <code>new_rivers</code>:</p>
 <pre class="r"><code>new_rivers + 1</code></pre>
-<pre><code>## [1]  251  381  445 1055  351</code></pre>
+<pre><code>## [1]  328 1886  461 3711  281</code></pre>
 <p>If we want to modify <code>new_rivers</code> and save that modified version, then we need to reassign <code>new_rivers</code> like so:</p>
 <pre class="r"><code>new_rivers &lt;- new_rivers + 1
 new_rivers</code></pre>
-<pre><code>## [1]  251  381  445 1055  351</code></pre>
+<pre><code>## [1]  328 1886  461 3711  281</code></pre>
 <p>If we forget to reassign this can cause subsequent steps to not work as expected because we will not be working with the data that has been modified.</p>
 <hr />
 </div>
@@ -409,7 +409,7 @@ <h2><strong>Error: object ‘X’ not found</strong></h2>
 <p>Make sure you run something like this, with the <code>&lt;-</code> operator:</p>
 <pre class="r"><code>rivers2 &lt;- new_rivers + 1
 rivers2</code></pre>
-<pre><code>## [1]  252  382  446 1056  352</code></pre>
+<pre><code>## [1]  329 1887  462 3712  282</code></pre>
 <hr />
 </div>
 <div id="error-unexpected-in-error-unexpected-in-error-unexpected-x-in" class="section level2">

index.html

@@ -348,7 +348,7 @@ <h2>Testimonials from our other courses:</h2>
 <h2>Find an Error!?</h2>
 <hr />
 <p>Feel free to submit typos/errors/etc via the GitHub repository associated with the class: <a href="https://github.com/fhdsl/DaSEH" class="uri">https://github.com/fhdsl/DaSEH</a></p>
-<p>This page was last updated on 2024-12-05.</p>
+<p>This page was last updated on 2024-12-06.</p>
 <p style="text-align:center;">
 <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://live.staticflickr.com/4557/26350808799_6f9c8bcaa2_b.jpg" height="150"/> </a>
 </p>

modules/Subsetting_Data_in_R/lab/Subsetting_Data_in_R_Lab.Rmd

@@ -125,7 +125,7 @@ Subset the rows of `ces_sub` that have **more** than 100 for `Asthma` - how many
 
 ### 2.5
 
-Subset the rows of `ces_sub` that have a `Traffic` value **less** than 500 and an `Asthma` value **more** than 100  - how many are there?
+Subset the rows of `ces_sub` that have an `Asthma` value **more** than 100 and a `Traffic` value **less** than 500 and — how many are there?
 
 
 ```{r 2.5response}
@@ -134,7 +134,7 @@ Subset the rows of `ces_sub` that have a `Traffic` value **less** than 500 and a
 
 ### 2.6
 
-Subset the rows of `ces_sub` that have a `Traffic` value **less than or equal to**  500 and an `Asthma` value **more** than 100  - how many are there?
+Subset the rows of `ces_sub` that have an `Asthma` value **more** than 100 and a `Traffic` value **less than or equal to (`<=`)**  500 — how many are there?
 
 ```{r 2.6response}
 

modules/Subsetting_Data_in_R/lab/Subsetting_Data_in_R_Lab_Key.html

@@ -362,14 +362,13 @@ <h3>2.3</h3>
 <div id="section-7" class="section level3">
 <h3>2.4</h3>
 <p>Subset the rows of <code>ces_sub</code> that have <strong>more</strong> than 100 for <code>Asthma</code> - how many rows are there? Use <code>filter()</code>.</p>
-<pre class="r"><code>ces_sub &lt;- filter(ces_sub, Asthma &gt; 100)
-nrow(ces_sub)</code></pre>
+<pre class="r"><code>nrow(filter(ces_sub, Asthma &gt; 100))</code></pre>
 <pre><code>## [1] 592</code></pre>
 </div>
 <div id="section-8" class="section level3">
 <h3>2.5</h3>
-<p>Subset the rows of <code>ces_sub</code> that have a <code>Traffic</code> value <strong>less</strong> than 500 and an <code>Asthma</code> value <strong>more</strong> than 100 - how many are there?</p>
-<pre class="r"><code>filter(ces_sub, Traffic &lt; 500 &amp; Asthma &gt; 100) # all of these options work</code></pre>
+<p>Subset the rows of <code>ces_sub</code> that have an <code>Asthma</code> value <strong>more</strong> than 100 and a <code>Traffic</code> value <strong>less</strong> than 500 and — how many are there?</p>
+<pre class="r"><code>filter(ces_sub, Asthma &gt; 100 &amp; Traffic &lt; 500) # all of these options work</code></pre>
 <pre><code>## # A tibble: 130 × 3
 ##    CensusTract Traffic Asthma
 ##          &lt;dbl&gt;   &lt;dbl&gt;  &lt;dbl&gt;
@@ -384,14 +383,14 @@ <h3>2.5</h3>
 ##  9  6001407600   311.    115.
 ## 10  6001408200   437.    187.
 ## # ℹ 120 more rows</code></pre>
-<pre class="r"><code>nrow(filter(ces_sub, Traffic &lt; 500 &amp; Asthma &gt; 100))</code></pre>
+<pre class="r"><code>nrow(filter(ces_sub, Asthma &gt; 100 &amp; Traffic &lt; 500))</code></pre>
 <pre><code>## [1] 130</code></pre>
-<pre class="r"><code>nrow(filter(ces_sub, Traffic &lt; 500, Asthma &gt; 100))</code></pre>
+<pre class="r"><code>nrow(filter(ces_sub, Asthma &gt; 100, Traffic &lt; 500))</code></pre>
 <pre><code>## [1] 130</code></pre>
 </div>
 <div id="section-9" class="section level3">
 <h3>2.6</h3>
-<p>Subset the rows of <code>ces_sub</code> that have a <code>Traffic</code> value <strong>less than or equal to</strong> 500 and an <code>Asthma</code> value <strong>more</strong> than 100 - how many are there?</p>
+<p>Subset the rows of <code>ces_sub</code> that have an <code>Asthma</code> value <strong>more</strong> than 100 and a <code>Traffic</code> value <strong>less than or equal to (<code>&lt;=</code>)</strong> 500 — how many are there?</p>
 <pre class="r"><code>filter(ces_sub, Traffic &lt;= 500 &amp; Asthma &gt; 100) # all of these options work</code></pre>
 <pre><code>## # A tibble: 130 × 3
 ##    CensusTract Traffic Asthma
@@ -407,9 +406,9 @@ <h3>2.6</h3>
 ##  9  6001407600   311.    115.
 ## 10  6001408200   437.    187.
 ## # ℹ 120 more rows</code></pre>
-<pre class="r"><code>nrow(filter(ces_sub, Traffic &lt;= 500 &amp; Asthma &gt; 100))</code></pre>
+<pre class="r"><code>nrow(filter(ces_sub, Asthma &gt; 100 &amp; Traffic &lt;= 500))</code></pre>
 <pre><code>## [1] 130</code></pre>
-<pre class="r"><code>nrow(filter(ces_sub, Traffic &lt;= 500, Asthma &gt; 100))</code></pre>
+<pre class="r"><code>nrow(filter(ces_sub, Asthma &gt; 100, Traffic &lt;= 500))</code></pre>
 <pre><code>## [1] 130</code></pre>
 </div>
 <div id="section-10" class="section level3">