From: aaronshaw <aaron.d.shaw@gmail.com>
Date: Wed, 28 Oct 2020 02:33:05 +0000 (-0500)
Subject: adding proportions table (and hopefully nothing else)
X-Git-Url: https://code.communitydata.science/stats_class_2020.git/commitdiff_plain/fee4a69906c247a2157f1932be4015d0226017c0

adding proportions table (and hopefully nothing else)
---

diff --git a/psets/pset5-worked_solution.html b/psets/pset5-worked_solution.html
index 4378477..4bb5504 100644
--- a/psets/pset5-worked_solution.html
+++ b/psets/pset5-worked_solution.html
@@ -1617,6 +1617,12 @@ obama.tbl</code></pre>
 ## took_fruit FALSE TRUE
 ##      FALSE   593  322
 ##      TRUE    185  122</code></pre>
+<pre class="r"><code>obama.prop.tbl &lt;- proportions(table(took_fruit = df$fruit, saw_flotus = df$obama), margin = 2)
+obama.prop.tbl</code></pre>
+<pre><code>##           saw_flotus
+## took_fruit     FALSE      TRUE
+##      FALSE 0.7622108 0.7252252
+##      TRUE  0.2377892 0.2747748</code></pre>
 </div>
 <div id="pc4.-test-for-differences-between-groups" class="section level2">
 <h2>PC4. Test for differences between groups</h2>
@@ -1736,7 +1742,7 @@ p1</code></pre>
 <pre class="r"><code>library(xtable)
 print(xtable(obama.tbl), type = &quot;html&quot;)</code></pre>
 <pre><code>## &lt;!-- html table generated in R 4.0.3 by xtable 1.8-4 package --&gt;
-## &lt;!-- Mon Oct 26 11:16:05 2020 --&gt;
+## &lt;!-- Tue Oct 27 20:25:44 2020 --&gt;
 ## &lt;table border=1&gt;
 ## &lt;tr&gt; &lt;th&gt;  &lt;/th&gt; &lt;th&gt; FALSE &lt;/th&gt; &lt;th&gt; TRUE &lt;/th&gt;  &lt;/tr&gt;
 ##   &lt;tr&gt; &lt;td align=&quot;right&quot;&gt; FALSE &lt;/td&gt; &lt;td align=&quot;right&quot;&gt; 593 &lt;/td&gt; &lt;td align=&quot;right&quot;&gt; 322 &lt;/td&gt; &lt;/tr&gt;
diff --git a/psets/pset5-worked_solution.rmd b/psets/pset5-worked_solution.rmd
index 32ced5c..f2c8991 100644
--- a/psets/pset5-worked_solution.rmd
+++ b/psets/pset5-worked_solution.rmd
@@ -70,6 +70,8 @@ summary(df)
 obama.tbl <- table(took_fruit=df$fruit, saw_flotus=df$obama)
 obama.tbl
 
+obama.prop.tbl <- proportions(table(took_fruit=df$fruit, saw_flotus=df$obama), margin=2)
+obama.prop.tbl
 ```
 
 ## PC4. Test for differences between groups