Render site

help.html

@@ -405,16 +405,16 @@ <h2><strong>Why are my changes not taking effect? It’s making my results
 <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] 900 890 780 430 250</code></pre>
+<pre><code>## [1]  350 2533  246  270  360</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] 901 891 781 431 251</code></pre>
+<pre><code>## [1]  351 2534  247  271  361</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] 901 891 781 431 251</code></pre>
+<pre><code>## [1]  351 2534  247  271  361</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>
@@ -484,7 +484,7 @@ <h2><strong>Error: object ‘X’ not found</strong></h2>
 operator:</p>
 <pre class="r"><code>rivers2 &lt;- new_rivers + 1
 rivers2</code></pre>
-<pre><code>## [1] 902 892 782 432 252</code></pre>
+<pre><code>## [1]  352 2535  248  272  362</code></pre>
 <hr />
 </div>
 <div id="error-unexpected-in-error-unexpected-in-error-unexpected-x-in"

modules/Data_Classes/lab/Data_Classes_Lab.html

@@ -359,10 +359,10 @@ <h1>Part 1</h1>
 <pre class="r"><code>library(readr)
 library(tidyverse)</code></pre>
 <pre><code>## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
-## ✔ dplyr     1.1.2     ✔ purrr     1.0.1
-## ✔ forcats   1.0.0     ✔ stringr   1.5.0
-## ✔ ggplot2   3.4.2     ✔ tibble    3.2.1
-## ✔ lubridate 1.9.2     ✔ tidyr     1.3.0
+## ✔ dplyr     1.1.4     ✔ purrr     1.0.2
+## ✔ forcats   1.0.0     ✔ stringr   1.5.1
+## ✔ ggplot2   3.5.0     ✔ tibble    3.2.1
+## ✔ lubridate 1.9.3     ✔ tidyr     1.3.1
 ## ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
 ## ✖ dplyr::filter() masks stats::filter()
 ## ✖ dplyr::lag()    masks stats::lag()
@@ -391,10 +391,6 @@ <h1>Part 1</h1>
 <p>6. Read in the Charm City Circulator data using
 <code>read_circulator()</code> function from <code>jhur</code> package
 using the code supplied in the chunk.</p>
-<ul>
-<li>Use the <code>str()</code> function to take a look at the data and
-learn about the column types.</li>
-</ul>
 <pre class="r"><code>circ &lt;- read_circulator()</code></pre>
 <pre><code>## Rows: 1146 Columns: 15
 ## ── Column specification ────────────────────────────────────────────────────────
@@ -404,6 +400,10 @@ <h1>Part 1</h1>
 ## 
 ## ℹ Use `spec()` to retrieve the full column specification for this data.
 ## ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.</code></pre>
+<ul>
+<li>Use the <code>str()</code> function to take a look at the data and
+learn about the column types.</li>
+</ul>
 <p>7. Use the <code>mutate()</code> function to create a new column
 named <code>date_formatted</code> that is of <code>Date</code> class.
 The new variable is created from <code>date</code> column. Hint: use

modules/Data_Cleaning/lab/Data_Cleaning_Lab.html

@@ -11,7 +11,7 @@
 
 
 
-<title>Data Cleaning Lab Key</title>
+<title>Data Cleaning Lab</title>
 
 <script>// Pandoc 2.9 adds attributes on both header and div. We remove the former (to
 // be compatible with the behavior of Pandoc < 2.8).
@@ -348,7 +348,7 @@
 
 
 
-<h1 class="title toc-ignore">Data Cleaning Lab Key</h1>
+<h1 class="title toc-ignore">Data Cleaning Lab</h1>
 
 </div>
 
@@ -360,17 +360,8 @@ <h1>Data used</h1>
 <p>You can Download as a CSV in your current working directory. Note its
 also available at: <a href="http://jhudatascience.org/intro_to_r/data/Bike_Lanes.csv" class="uri">http://jhudatascience.org/intro_to_r/data/Bike_Lanes.csv</a></p>
 <pre class="r"><code>library(readr)
-library(tidyverse)</code></pre>
-<pre><code>## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
-## ✔ dplyr     1.1.2     ✔ purrr     1.0.1
-## ✔ forcats   1.0.0     ✔ stringr   1.5.0
-## ✔ ggplot2   3.4.2     ✔ tibble    3.2.1
-## ✔ lubridate 1.9.2     ✔ tidyr     1.3.0
-## ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
-## ✖ dplyr::filter() masks stats::filter()
-## ✖ dplyr::lag()    masks stats::lag()
-## ℹ Use the conflicted package (&lt;http://conflicted.r-lib.org/&gt;) to force all conflicts to become errors</code></pre>
-<pre class="r"><code>library(dplyr)
+library(tidyverse)
+library(dplyr)
 library(lubridate)
 library(jhur)
 library(tidyverse)
@@ -452,7 +443,7 @@ <h1>Part 2</h1>
 <ol style="list-style-type: decimal">
 <li><p>Determine how many <code>NA</code> values there are for
 <code>weight_loss</code> (assume you know that<code>N</code> and
-<code>n</code> is for no). .</p></li>
+<code>n</code> is for no).</p></li>
 <li><p>Recode the <code>weight_loss</code> variable of the
 <code>BloodType</code> data so that it is consistent. Use
 <code>case_when()</code>. Keep “Other” as “Other”. Don’t forget to use
@@ -482,8 +473,10 @@ <h1>Part 2</h1>
 shown below (don’t want backticks).</p></li>
 </ol>
 <pre><code># General format
-NEW_TIBBLE &lt;- OLD_TIBBLE %&gt;% 
-    separate(OLD_COLUMN, into = c(&quot;NEW_COLUMN1&quot;, &quot;NEW_COLUMN2&quot;), sep = &quot;SEPARATING_CHARACTER&quot;)</code></pre>
+NEW_TIBBLE &lt;- OLD_TIBBLE %&gt;%
+  separate(OLD_COLUMN,
+           into = c(&quot;NEW_COLUMN1&quot;, &quot;NEW_COLUMN2&quot;),
+           sep = &quot;SEPARATING_CHARACTER&quot;)</code></pre>
 <p><strong>Bonus / Extra practice</strong>: How many observations are
 there for each <code>Rhfactor</code> in the data object you just
 made:</p>

modules/Data_Input/lab/Data_Input_Lab.html

@@ -486,7 +486,7 @@ <h3>P.4</h3>
 file there.</p>
 <p>Modify the following code so that it finds “asthma.xlsx” in the
 “data” directory.</p>
-<pre class="r"><code>asthma &lt;- read_excel(path = &quot;asthma.xlsx&quot;)</code></pre>
+<pre><code>asthma &lt;- read_excel(path = &quot;asthma.xlsx&quot;)</code></pre>
 </div>
 <div id="p.5" class="section level3">
 <h3>P.5</h3>

modules/Data_Summarization/lab/Data_Summarization_Lab.html

@@ -450,19 +450,6 @@ <h1>Part 2</h1>
 column “mean”.</li>
 </ul>
 </div>
-<div id="part-3" class="section level1">
-<h1>Part 3</h1>
-<p>9. Create a histogram for the <code>length</code> column in the
-<code>bike</code> dataset. Try playing with the <code>breaks =</code>
-argument.</p>
-<p>10. Create a scatterplot of the <code>bike</code> dataset with
-<code>dateInstalled</code> on the x axis and <code>length</code> on the
-y axis.</p>
-<p><strong>Bonus / Extra practice</strong>:</p>
-<p>F. What kind of plot would be better for showing the length by each
-year group from <code>bike</code>? Make this plot. Also try this with
-the <code>bike_2</code> object above.</p>
-</div>
 
 
 

modules/Manipulating_Data_in_R/lab/Manipulating_Data_in_R_Lab.html

@@ -11,7 +11,7 @@
 
 
 
-<title>Manipulating Data in R Lab - Key</title>
+<title>Manipulating Data in R Lab</title>
 
 <script>// Pandoc 2.9 adds attributes on both header and div. We remove the former (to
 // be compatible with the behavior of Pandoc < 2.8).
@@ -348,7 +348,7 @@
 
 
 
-<h1 class="title toc-ignore">Manipulating Data in R Lab - Key</h1>
+<h1 class="title toc-ignore">Manipulating Data in R Lab</h1>
 
 </div>
 

modules/Subsetting_Data_in_R/lab/Subsetting_Data_in_R_Lab.html

@@ -11,7 +11,7 @@
 
 
 
-<title>Subsetting Data in R - Lab</title>
+<title>Subsetting Data in R</title>
 
 <script>// Pandoc 2.9 adds attributes on both header and div. We remove the former (to
 // be compatible with the behavior of Pandoc < 2.8).
@@ -348,7 +348,7 @@
 
 
 
-<h1 class="title toc-ignore">Subsetting Data in R - Lab</h1>
+<h1 class="title toc-ignore">Subsetting Data in R</h1>
 
 </div>
 
@@ -387,22 +387,6 @@ <h1>Part 1</h1>
 <p><strong>Bonus / Extra practice</strong>: How can you print the first
 3 rows and the last 3 rows of <code>county_pop</code> (in two lines of
 code)?</p>
-<pre class="r"><code>head(county_pop, 3)</code></pre>
-<pre><code>## # A tibble: 3 × 10
-##   BUYER_COUNTY BUYER_STATE countyfips STATE COUNTY county_name NAME     variable
-##   &lt;chr&gt;        &lt;chr&gt;       &lt;chr&gt;      &lt;int&gt;  &lt;int&gt; &lt;chr&gt;       &lt;chr&gt;    &lt;chr&gt;   
-## 1 AUTAUGA      AL          01001          1      1 Autauga     Autauga… B01003_…
-## 2 BALDWIN      AL          01003          1      3 Baldwin     Baldwin… B01003_…
-## 3 BARBOUR      AL          01005          1      5 Barbour     Barbour… B01003_…
-## # ℹ 2 more variables: year &lt;int&gt;, population &lt;int&gt;</code></pre>
-<pre class="r"><code>tail(county_pop, 3)</code></pre>
-<pre><code>## # A tibble: 3 × 10
-##   BUYER_COUNTY  BUYER_STATE countyfips STATE COUNTY county_name   NAME  variable
-##   &lt;chr&gt;         &lt;chr&gt;       &lt;chr&gt;      &lt;int&gt;  &lt;int&gt; &lt;chr&gt;         &lt;chr&gt; &lt;chr&gt;   
-## 1 SKAGWAY       AK          02230          2    230 Skagway       Skag… B01003_…
-## 2 HOONAH ANGOON AK          02105          2    105 Hoonah Angoon Hoon… B01003_…
-## 3 PETERSBURG    AK          02195          2    195 Petersburg    Pete… B01003_…
-## # ℹ 2 more variables: year &lt;int&gt;, population &lt;int&gt;</code></pre>
 </div>
 <div id="part-2" class="section level1">
 <h1>Part 2</h1>
@@ -443,7 +427,7 @@ <h1>Part 2</h1>
 <div id="part-3" class="section level1">
 <h1>Part 3</h1>
 <ol style="list-style-type: decimal">
-<li><p>Create a subset called <code>county_2012</code>from
+<li><p>Create a subset called <code>county_2012</code> from
 <code>county_pop</code> that only contains the rows for the year 2012
 and only the columns: <code>county_name</code>, <code>state_name</code>,
 <code>population</code>. <code>year</code> should not be included in