diff --git a/StudentNotebooks/Assignment02/baoz3-assignment2-f24.Rmd b/StudentNotebooks/Assignment02/baoz3-assignment2-f24.Rmd
index 203041a..bee7cc8 100755
--- a/StudentNotebooks/Assignment02/baoz3-assignment2-f24.Rmd
+++ b/StudentNotebooks/Assignment02/baoz3-assignment2-f24.Rmd
@@ -387,7 +387,7 @@ Each team has been assigned one of six datasets:
 
 1. _Describe the data set contained in the data frame and matrix:_ How many rows does it have and how many features?  Which features are measurements and which features are metadata about the samples?  (3 pts)
 
-The Sherloc + Lithology dataset contains 16 rows, each representing a sample from Mars, and 35 features. These features include both measurements and metadata.
+The Sherloc + Lithology dataset contains 16 rows, each representing a sample from Mars, and 99 features. These features include both measurements and metadata.
 
 The measurements include the presence or absence of minerals such as "Plagioclase," "Sulfate," "Fe-Mg carbonate," and others, indicating the sample's mineralogical composition. The metadata provides context about each sample, including features like "sample," "type," "campaign," and "abrasion," which describe where and how the sample was collected.
 
diff --git a/StudentNotebooks/Assignment02/baoz3-assignment2-f24.html b/StudentNotebooks/Assignment02/baoz3-assignment2-f24.html
index 60be956..51e2195 100644
--- a/StudentNotebooks/Assignment02/baoz3-assignment2-f24.html
+++ b/StudentNotebooks/Assignment02/baoz3-assignment2-f24.html
@@ -11,7 +11,7 @@
 
 <meta name="author" content="Ziyi Bao" />
 
-<meta name="date" content="2024-09-09" />
+<meta name="date" content="2024-09-10" />
 
 <title>baoz3-assignment2-f24:</title>
 
@@ -1624,7 +1624,7 @@
 <h1 class="title toc-ignore">baoz3-assignment2-f24:</h1>
 <h3 class="subtitle">DAR Assignment 2 (Fall 2024)</h3>
 <h4 class="author">Ziyi Bao</h4>
-<h4 class="date">09 September 2024</h4>
+<h4 class="date">10 September 2024</h4>
 
 </div>
 
@@ -2927,7 +2927,7 @@ <h1><span class="header-section-number">4</span> Analysis of Data (Part
 samples? (3 pts)</li>
 </ol>
 <p>The Sherloc + Lithology dataset contains 16 rows, each representing a
-sample from Mars, and 35 features. These features include both
+sample from Mars, and 99 features. These features include both
 measurements and metadata.</p>
 <p>The measurements include the presence or absence of minerals such as
 “Plagioclase,” “Sulfate,” “Fe-Mg carbonate,” and others, indicating the
diff --git a/StudentNotebooks/Assignment02/baoz3-assignment2-f24.pdf b/StudentNotebooks/Assignment02/baoz3-assignment2-f24.pdf
index bfaa33e..ccbaa82 100644
Binary files a/StudentNotebooks/Assignment02/baoz3-assignment2-f24.pdf and b/StudentNotebooks/Assignment02/baoz3-assignment2-f24.pdf differ