Assigned: Feb. 02 Due: Feb. 09 (before class)

Complete the following Swirl R Programming lessons:

Lesson	Topic
1	Basic Building Blocks
2	Workspace and Files
4	Vectors
6	Subsetting Vectors
7	Matrices and Data Frames
12	Looking at Data

How to complete:

1. Open RStudio
2. Type library(swirl) then swirl() in the console
3. Select “R Programming” and work through each lesson listed above

Submission: You will confirm completion via an in-class poll at the start of Week 2. No screenshots or documentation required.

Assigned: Feb. 09 Due: Feb. 16 (before class)

R Programming:

Complete DataCamp: Introduction to Text Analysis in R – Chapter 1: Wrangling Text.

Optional: Replicate the in-class Orange demo

For extra practice, replicate the in-class demo by loading the presidential speeches corpus into Orange Data Mining and exploring it with the Corpus widget.

Download the corpus from the Data page.

Steps:

1. Download the presidential speeches CSV from the Data page
2. Add it to a subfolder in your repo (e.g., /data/president_speeches/)
3. Commit and push via GitHub Desktop
4. Open Orange Data Mining
5. Add a Corpus widget and load the CSV from your data folder
6. Explore the corpus – browse speeches, filter, search
7. Save your workflow (.ows file)

Submission: Upload your .ows file and a screenshot of your Orange workflow to your GitHub repository.