diff --git a/docs/index.html b/docs/index.html
index dfbdcc7..a4730cf 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -177,7 +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-17" id="toc-day-17" class="nav-link" data-scroll-target="#day-17">Day 17</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>
   <li><a href="#day-15-data-wrangling-in-one-table." id="toc-day-15-data-wrangling-in-one-table." class="nav-link" data-scroll-target="#day-15-data-wrangling-in-one-table.">Day 15 Data wrangling in one table.</a></li>
   <li><a href="#day-14-project-1-work-day" id="toc-day-14-project-1-work-day" class="nav-link" data-scroll-target="#day-14-project-1-work-day">Day 14 Project 1 work day</a></li>
@@ -371,25 +371,6 @@ <h1>Schedule</h1>
 <!-- Here is [lab 5](https://classroom.github.com/a/BNYDfmiq) it is due next Wednesday -->
 
 <!-- # Day 18 Joining Tables cont. -->
-<!-- Continue our exploration of joining tables. -->
-<!-- [Problems 1, 3](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) -->
-<!-- # Day 17 Joining tables -->
-<!-- Monday's office hours moved to Wednesday. -->
-<!-- ::: {.callout-tip collapse="true"} -->
-<!-- # lab 4 rendering/submission issues -->
-<!-- rendering: -->
-<!-- -   Note on `#| eval: FALSE` in lab 4 (due Friday) -->
-<!-- gitignore: -->
-<!-- If you tried to push the `sqf_2011.csv` to github you probably got an error. -->
-<!-- -   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 `.gitignore` and add `sqf_2011.csv` to it. -->
-<!-- ::: -->
-
-<!-- Exploration: How to join tables? -->
 <!-- It makes most sense to do this before lab 3. [Polishing Figures](/course-materials/in-class-activies/Lec09In-classExercise-PolishingFigures.zip) -->
 <!-- # Day 9 Trend Lines, Data.Frames, and RMarkdown Rendering Options -->
 <!-- [Digest Lab 2](./course-materials/lectures/lab-solutions-for-discussion/Lab2_solution_digestion.pdf) -->
@@ -412,10 +393,47 @@ <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 18 Joining tables -->
+<!-- Exploration: How to join tables?  -->
+<!-- Continue our exploration of joining tables.  -->
+<!-- [Problems 1, 3](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)  -->
 </section>
-<section id="day-17" class="level1">
-<h1>Day 17</h1>
+<section id="day-17-lab-4" class="level1">
+<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-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>rendering:</p>
+<ul>
+<li>Note on <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>
 </section>
 <section id="day-16" class="level1">
 <h1>Day 16</h1>
@@ -495,7 +513,7 @@ <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-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>
@@ -504,7 +522,7 @@ <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-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>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>
@@ -533,7 +551,7 @@ <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-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>
@@ -542,7 +560,7 @@ <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-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">
 <ul>
 <li><p><a href="https://classroom.github.com/a/GG36O-3I">Github Fundamentals Lab 0</a></p>
@@ -573,7 +591,7 @@ <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-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>
@@ -582,7 +600,7 @@ <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-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>All labs must be rendered as a pdf or self-contained html.</p></li>
@@ -603,7 +621,7 @@ <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-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>
@@ -612,7 +630,7 @@ <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-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><a href="https://docs.google.com/document/d/1P7IyZ4On9OlrCOhygFxjC7XhQqyw8OludwChz-uFd_o/edit">The six-fixes</a></li>
@@ -678,7 +696,7 @@ <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-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>
@@ -687,7 +705,7 @@ <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-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><p>Understand File Structure</p>
@@ -712,7 +730,7 @@ <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-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>
@@ -721,7 +739,7 @@ <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-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">
 <p>Link github account to github classroom - sign into github</p>
 <ul>
@@ -737,7 +755,7 @@ <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-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>
@@ -746,7 +764,7 @@ <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-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">
 <ul>
 <li><p><a href="./course-materials/syllabus/syllabus.html">Syllabus</a></p></li>
@@ -762,7 +780,7 @@ <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-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>
@@ -771,7 +789,7 @@ <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>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 d016b9a..8ad4c67 100644
--- a/index.qmd
+++ b/index.qmd
@@ -310,49 +310,6 @@ h1{font-weight: 400;}
 
 <!-- # Day 18 Joining Tables cont. -->
 
-<!-- Continue our exploration of joining tables. -->
-
-<!-- [Problems 1, 3](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) -->
-
-<!-- # Day 17 Joining tables -->
-
-<!-- Monday's office hours moved to Wednesday. -->
-
-<!-- ::: {.callout-tip collapse="true"} -->
-
-<!-- # lab 4 rendering/submission issues -->
-
-<!-- rendering: -->
-
-<!-- -   Note on `#| eval: FALSE` in lab 4 (due Friday) -->
-
-<!-- gitignore: -->
-
-<!-- If you tried to push the `sqf_2011.csv` to github you probably got an error. -->
-
-<!-- -   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 `.gitignore` and add `sqf_2011.csv` to it. -->
-
-<!-- ::: -->
-
-
-
-<!-- Exploration: How to join tables? -->
-
-
-
-
-
-
-
-
 
 
 
@@ -406,10 +363,42 @@ h1{font-weight: 400;}
 
 <!-- [Here is the link](https://classroom.github.com/a/eSF9MUxn) for Lab 4. -->
 
-# Day 17 
+<!-- # Day 18 Joining tables -->
+
+<!-- Exploration: How to join tables?  -->
+
+<!-- Continue our exploration of joining tables.  -->
+
+<!-- [Problems 1, 3](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)  -->
+
+# Day 17 Lab 4
 
 [Lab 4 SQF](https://classroom.github.com/a/eSF9MUxn)
 
+::: {.callout-tip collapse="true"}
+
+# lab 4 rendering/submission issues
+
+rendering:
+
+-   Note on `#| 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.
+
+:::
+
 # Day 16 
 
 [Wrangle babynames](/course-materials/in-class-activies/Wrangling_Baby_Names.qmd)