diff --git a/Map_SDS_POM.pdf b/Map_SDS_POM.pdf
new file mode 100644
index 0000000..e55f4b4
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diff --git a/SDS_POM_Flyer.pdf b/SDS_POM_Flyer.pdf
new file mode 100644
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diff --git a/docs/Map_SDs_POM.pdf b/docs/Map_SDs_POM.pdf
new file mode 100644
index 0000000..e55f4b4
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diff --git a/docs/SDS_POM_Flyer.pdf b/docs/SDS_POM_Flyer.pdf
new file mode 100644
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Binary files /dev/null and b/docs/SDS_POM_Flyer.pdf differ
diff --git a/docs/index.html b/docs/index.html
index a5f2d47..7215935 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -177,6 +177,7 @@ <h2 id="toc-title">On this page</h2>
    
   <ul>
   <li><a href="#schedule" id="toc-schedule" class="nav-link active" data-scroll-target="#schedule">Schedule</a></li>
+  <li><a href="#day-19-lab-5" id="toc-day-19-lab-5" class="nav-link" data-scroll-target="#day-19-lab-5">Day 19 lab 5</a></li>
   <li><a href="#day-18-joining-tables" id="toc-day-18-joining-tables" class="nav-link" data-scroll-target="#day-18-joining-tables">Day 18 Joining tables</a></li>
   <li><a href="#day-17-lab-4" id="toc-day-17-lab-4" class="nav-link" data-scroll-target="#day-17-lab-4">Day 17 Lab 4</a></li>
   <li><a href="#day-16" id="toc-day-16" class="nav-link" data-scroll-target="#day-16">Day 16</a></li>
@@ -394,13 +395,47 @@ <h1>Schedule</h1>
 <!-- [This is the article referred to in the lab](https://www.nyclu.org/en/stop-and-frisk-data) -->
 <!-- [dpylr cheatsheet for wrangling](https://nyu-cdsc.github.io/learningr/assets/data-transformation.pdf) -->
 <!-- [Here is the link](https://classroom.github.com/a/eSF9MUxn) for Lab 4. -->
-<!-- # Day 19 lab 5 -->
-<!-- [Lab 5](https://classroom.github.com/a/tI92Hb_z)  -->
+</section>
+<section id="day-19-lab-5" class="level1">
+<h1>Day 19 lab 5</h1>
+<p><a href="SDS_POM_Flyer.pdf">POM</a></p>
+<p><a href="Map_SDs_POM.pdf">Map</a></p>
+<div class="callout callout-style-default callout-tip callout-titled">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-1-contents" aria-controls="callout-1" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-icon-container">
+<i class="callout-icon"></i>
+</div>
+<div class="callout-title-container flex-fill">
+lab 4 rendering/submission issues
+</div>
+<div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
+</div>
+<div id="callout-1" class="callout-1-contents callout-collapse collapse">
+<div class="callout-body-container callout-body">
+<p>before rendering:</p>
+<ul>
+<li>remove the <code>#| eval: FALSE</code> in lab 4 (due Friday)</li>
+</ul>
+<p>gitignore:</p>
+<p>Don’t push the <code>sqf_2011.csv</code> to github you will get an error! Its too big <!--
+
+-   First save your qmd somewhere.
+
+-   Uncommit your commit with `git reset --hard HEAD^` or `git reset --hard HEAD~2`
+
+-   You may need to add a `.gitignore` file.--></p>
+<ul>
+<li>Open the <code>.gitignore</code> file and add <code>sqf_2011.csv</code> to it.</li>
+</ul>
+</div>
+</div>
+</div>
+<p><a href="https://classroom.github.com/a/tI92Hb_z">Lab 5</a></p>
 </section>
 <section id="day-18-joining-tables" class="level1">
 <h1>Day 18 Joining tables</h1>
 <p>Exploration: How to join tables?</p>
-<p><a href="https://mdsr-book.github.io/mdsr3e/05-joins.html#join-exercises">Problems 1, 3</a></p>
+<p><a href="https://mdsr-book.github.io/mdsr3e/05-joins.html#join-exercises">Problems 1, 4</a></p>
 <p><a href="https://scao53.github.io/sds192spring2023/in-class_exercises/Lec17In-classExercise-JoinTables.zip">Joining two tables in class exercise</a></p>
 <!-- Open Quiz 2, maybe edit it!  -->
 <!-- Part of day 18 should be digestion of lab 4 -->
@@ -409,7 +444,7 @@ <h1>Day 18 Joining tables</h1>
 <h1>Day 17 Lab 4</h1>
 <p><a href="https://classroom.github.com/a/eSF9MUxn">Lab 4 SQF</a></p>
 <div class="callout callout-style-default callout-tip callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-1-contents" aria-controls="callout-1" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-2-contents" aria-controls="callout-2" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -418,7 +453,7 @@ <h1>Day 17 Lab 4</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-1" class="callout-1-contents callout-collapse collapse">
+<div id="callout-2" class="callout-2-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <p>rendering:</p>
 <ul>
@@ -517,7 +552,7 @@ <h1>Day 12 Practice with git/ Project 1</h1>
 <h1>Day 11 Lab 3</h1>
 <p><a href="https://classroom.github.com/a/Nwp-FDXz">Link to lab 3</a></p>
 <div class="callout callout-style-default callout-warning callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-2-contents" aria-controls="callout-2" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-3-contents" aria-controls="callout-3" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -526,7 +561,7 @@ <h1>Day 11 Lab 3</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-2" class="callout-2-contents callout-collapse collapse">
+<div id="callout-3" class="callout-3-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <p>Step 5: part 3. To set the line color do color=“green”</p>
 <p>For some notes on skew: https://en.wikipedia.org/wiki/Skewness</p>
@@ -555,7 +590,7 @@ <h2 class="anchored" data-anchor-id="colors">Colors</h2>
 </div>
 <p>See moodle for project 1 partners.</p>
 <div class="callout callout-style-default callout-note callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-3-contents" aria-controls="callout-3" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-4-contents" aria-controls="callout-4" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -564,7 +599,7 @@ <h2 class="anchored" data-anchor-id="colors">Colors</h2>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-3" class="callout-3-contents callout-collapse collapse">
+<div id="callout-4" class="callout-4-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <ul>
 <li><p><a href="https://classroom.github.com/a/GG36O-3I">Github Fundamentals Lab 0</a></p>
@@ -595,7 +630,7 @@ <h1>Day 9 Taxonomy part 2</h1>
 <!-- <iframe width="560" height="315" src="https://www.youtube.com/embed/IRJ2Ac9vI5o?si=JMeZEIQQNGNBscno" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen> -->
 <!-- </iframe> -->
 <div class="callout callout-style-default callout-tip callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-4-contents" aria-controls="callout-4" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-5-contents" aria-controls="callout-5" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -604,7 +639,7 @@ <h1>Day 9 Taxonomy part 2</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-4" class="callout-4-contents callout-collapse collapse">
+<div id="callout-5" class="callout-5-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <ul>
 <li><p>All labs must be rendered as a pdf or self-contained html.</p></li>
@@ -625,7 +660,7 @@ <h1>Day 8 Lab 2</h1>
 <h1>Day 7 Taxonomy</h1>
 <p><a href="presentation.pdf">Kaelen Medeiros Healthech</a></p>
 <div class="callout callout-style-default callout-tip callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-5-contents" aria-controls="callout-5" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-6-contents" aria-controls="callout-6" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -634,7 +669,7 @@ <h1>Day 7 Taxonomy</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-5" class="callout-5-contents callout-collapse collapse">
+<div id="callout-6" class="callout-6-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <ul>
 <li><a href="https://docs.google.com/document/d/1P7IyZ4On9OlrCOhygFxjC7XhQqyw8OludwChz-uFd_o/edit">The six-fixes</a></li>
@@ -700,7 +735,7 @@ <h1>Day 3 Understanding File Paths</h1>
 <p><a href="https://smithcollege.qualtrics.com/jfe/form/SV_1YAqUXjbwJJbe3s">Survey for Prof Cao’s study</a></p>
 <p><a href="./course-materials/lectures/1_Overview_of_the_course.html">Overview of Intro to Data Science</a></p>
 <div class="callout callout-style-default callout-note callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-6-contents" aria-controls="callout-6" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-7-contents" aria-controls="callout-7" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -709,7 +744,7 @@ <h1>Day 3 Understanding File Paths</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-6" class="callout-6-contents callout-collapse collapse">
+<div id="callout-7" class="callout-7-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <ul>
 <li><p>Understand File Structure</p>
@@ -734,7 +769,7 @@ <h1>Day 2 Github Lab</h1>
 <!--Note to self update github lab 1 it is out of date. updating github username, email and password should be in the terminal. -->
 <p>You are only installing git today. Ignore the other files until Day 3</p>
 <div class="callout callout-style-default callout-note callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-7-contents" aria-controls="callout-7" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-8-contents" aria-controls="callout-8" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -743,7 +778,7 @@ <h1>Day 2 Github Lab</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-7" class="callout-7-contents callout-collapse collapse">
+<div id="callout-8" class="callout-8-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <p>Link github account to github classroom - sign into github</p>
 <ul>
@@ -759,7 +794,7 @@ <h1>Day 2 Github Lab</h1>
 <section id="day-1-welcome-and-github" class="level1">
 <h1>Day 1 Welcome and Github</h1>
 <div class="callout callout-style-default callout-note callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-8-contents" aria-controls="callout-8" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-9-contents" aria-controls="callout-9" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -768,7 +803,7 @@ <h1>Day 1 Welcome and Github</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-8" class="callout-8-contents callout-collapse collapse">
+<div id="callout-9" class="callout-9-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <ul>
 <li><p><a href="./course-materials/syllabus/syllabus.html">Syllabus</a></p></li>
@@ -784,7 +819,7 @@ <h1>Day 1 Welcome and Github</h1>
 <li><p><a href="./course-materials/lectures/1_Overview_of_the_course.html">Overview of Intro to Data Science</a></p></li>
 </ul>
 <div class="callout callout-style-default callout-note callout-titled">
-<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-9-contents" aria-controls="callout-9" aria-expanded="false" aria-label="Toggle callout">
+<div class="callout-header d-flex align-content-center" data-bs-toggle="collapse" data-bs-target=".callout-10-contents" aria-controls="callout-10" aria-expanded="false" aria-label="Toggle callout">
 <div class="callout-icon-container">
 <i class="callout-icon"></i>
 </div>
@@ -793,7 +828,7 @@ <h1>Day 1 Welcome and Github</h1>
 </div>
 <div class="callout-btn-toggle d-inline-block border-0 py-1 ps-1 pe-0 float-end"><i class="callout-toggle"></i></div>
 </div>
-<div id="callout-9" class="callout-9-contents callout-collapse collapse">
+<div id="callout-10" class="callout-10-contents callout-collapse collapse">
 <div class="callout-body-container callout-body">
 <ul>
 <li><p>Sign up for <a href="https://github.com/">github here</a>, if you don’t already have an account. We will very carefully link your github account to our github classroom account.</p></li>
diff --git a/index.qmd b/index.qmd
index e73753e..d104e00 100644
--- a/index.qmd
+++ b/index.qmd
@@ -354,15 +354,41 @@ h1{font-weight: 400;}
 
 <!-- [Here is the link](https://classroom.github.com/a/eSF9MUxn) for Lab 4. -->
 
-<!-- # Day 19 lab 5 -->
+# Day 19 lab 5
+
+[POM](SDS_POM_Flyer.pdf)
+
+[Map](Map_SDs_POM.pdf)
+
+::: {.callout-tip collapse="true"}
+# lab 4 rendering/submission issues
+
+before rendering:
+
+-   remove the `#| eval: FALSE` in lab 4 (due Friday)
+
+gitignore:
+
+Don't push the `sqf_2011.csv` to github you will get an error! Its too big
+<!--
+
+-   First save your qmd somewhere.
+
+-   Uncommit your commit with `git reset --hard HEAD^` or `git reset --hard HEAD~2`
+
+-   You may need to add a `.gitignore` file.-->
+
+-   Open the `.gitignore` file and add `sqf_2011.csv` to it.
+:::
+
+[Lab 5](https://classroom.github.com/a/tI92Hb_z)
 
-<!-- [Lab 5](https://classroom.github.com/a/tI92Hb_z)  -->
 
 # Day 18 Joining tables
 
 Exploration: How to join tables?
 
-[Problems 1, 3](https://mdsr-book.github.io/mdsr3e/05-joins.html#join-exercises)
+[Problems 1, 4](https://mdsr-book.github.io/mdsr3e/05-joins.html#join-exercises)
 
 [Joining two tables in class exercise](https://scao53.github.io/sds192spring2023/in-class_exercises/Lec17In-classExercise-JoinTables.zip)