Render course

docs/02-data-structures.md

@@ -310,6 +310,35 @@ Perhaps the most important operation you will can do with Dataframes is subsetti
 
 You will use the `iloc` and bracket operations, and you give two slices: one for the row, and one for the column.
 
+Let's start with a small dataframe to see how it works before returning to `metadata`:
+
+
+``` python
+df = pd.DataFrame(data={'status': ["treated", "untreated", "untreated", "discharged", "treated"],
+                            'age_case': [25, 43, 21, 65, 7],
+                            'age_control': [49, 20, 32, 25, 32]})
+df
+```
+
+```
+##        status  age_case  age_control
+## 0     treated        25           49
+## 1   untreated        43           20
+## 2   untreated        21           32
+## 3  discharged        65           25
+## 4     treated         7           32
+```
+
+Here is how the dataframe looks like with the row and column index numbers:
+
+![](images/pandas_subset_0.png)
+
+Subset the second to fourth rows, and the first two columns:
+
+![](images/pandas_subset_1.png)
+
+Now, back to `metadata` dataframe.
+
 Subset the first 5 rows, and first two columns:
 
 

docs/03-data-wrangling1.md

@@ -0,0 +1,7 @@
+
+
+# Data Wrangling
+
+## Exercises
+
+Exercise for week 3 can be found [here](#)

docs/404.html

@@ -181,8 +181,12 @@
 </ul></li>
 <li class="chapter" data-level="2.4" data-path="working-with-data-structures.html"><a href="working-with-data-structures.html#exercises-1"><i class="fa fa-check"></i><b>2.4</b> Exercises</a></li>
 </ul></li>
+<li class="chapter" data-level="3" data-path="data-wrangling.html"><a href="data-wrangling.html"><i class="fa fa-check"></i><b>3</b> Data Wrangling</a>
+<ul>
+<li class="chapter" data-level="3.1" data-path="data-wrangling.html"><a href="data-wrangling.html#exercises-2"><i class="fa fa-check"></i><b>3.1</b> Exercises</a></li>
+</ul></li>
 <li class="chapter" data-level="" data-path="about-the-authors.html"><a href="about-the-authors.html"><i class="fa fa-check"></i>About the Authors</a></li>
-<li class="chapter" data-level="3" data-path="references.html"><a href="references.html"><i class="fa fa-check"></i><b>3</b> References</a></li>
+<li class="chapter" data-level="4" data-path="references.html"><a href="references.html"><i class="fa fa-check"></i><b>4</b> References</a></li>
 <li class="divider"></li>
 <p style="text-align:center;"> <a href="https://github.com/jhudsl/OTTR_Template" target="blank" > This content was published with</a> <a href="https://bookdown.org/" target="blank"> bookdown by: </a> </p>
 <p style="text-align:center;"> <a href="https://hutchdatascience.org/"> The Fred Hutch Data Science Lab </a></p>

docs/about-the-authors.html

@@ -28,7 +28,7 @@
   <meta name="apple-mobile-web-app-status-bar-style" content="black" />
 
   <link rel="shortcut icon" href="assets/dasl_favicon.ico" type="image/x-icon" />
-<link rel="prev" href="working-with-data-structures.html"/>
+<link rel="prev" href="data-wrangling.html"/>
 <link rel="next" href="references.html"/>
 <script src="libs/jquery-3.6.0/jquery-3.6.0.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/fuse.min.js"></script>
@@ -181,8 +181,12 @@
 </ul></li>
 <li class="chapter" data-level="2.4" data-path="working-with-data-structures.html"><a href="working-with-data-structures.html#exercises-1"><i class="fa fa-check"></i><b>2.4</b> Exercises</a></li>
 </ul></li>
+<li class="chapter" data-level="3" data-path="data-wrangling.html"><a href="data-wrangling.html"><i class="fa fa-check"></i><b>3</b> Data Wrangling</a>
+<ul>
+<li class="chapter" data-level="3.1" data-path="data-wrangling.html"><a href="data-wrangling.html#exercises-2"><i class="fa fa-check"></i><b>3.1</b> Exercises</a></li>
+</ul></li>
 <li class="chapter" data-level="" data-path="about-the-authors.html"><a href="about-the-authors.html"><i class="fa fa-check"></i>About the Authors</a></li>
-<li class="chapter" data-level="3" data-path="references.html"><a href="references.html"><i class="fa fa-check"></i><b>3</b> References</a></li>
+<li class="chapter" data-level="4" data-path="references.html"><a href="references.html"><i class="fa fa-check"></i><b>4</b> References</a></li>
 <li class="divider"></li>
 <p style="text-align:center;"> <a href="https://github.com/jhudsl/OTTR_Template" target="blank" > This content was published with</a> <a href="https://bookdown.org/" target="blank"> bookdown by: </a> </p>
 <p style="text-align:center;"> <a href="https://hutchdatascience.org/"> The Fred Hutch Data Science Lab </a></p>
@@ -439,7 +443,7 @@ <h1>About the Authors<a href="about-the-authors.html#about-the-authors" class="a
           </div>
         </div>
       </div>
-<a href="working-with-data-structures.html" class="navigation navigation-prev " aria-label="Previous page"><i class="fa fa-angle-left"></i></a>
+<a href="data-wrangling.html" class="navigation navigation-prev " aria-label="Previous page"><i class="fa fa-angle-left"></i></a>
 <a href="references.html" class="navigation navigation-next " aria-label="Next page"><i class="fa fa-angle-right"></i></a>
     </div>
   </div>