11 Data Wrangling I

• Start: Tuesday, November 2

11.1 Summary

This week we will overview several data wrangling concepts.

11.2 Learning Objectives

After completing this week, you are expected to be able to:

• Import external data into R.
• Verify that data is tidy.
• Modify data to be tidy.
• Perform two table data manipulations
• Use and manipulate string, factor, and date-time data.

11.3 Reading

Link	Source
Wrangle: Introduction	R4DS
Wrangle: Tibbles	R4DS
Wrangle: Data Import	R4DS
Wrangle: Tidy Data	R4DS
Wrangle: Relational Data	R4DS
Wrangle: Strings	R4DS
Wrangle: Factors	R4DS
Wrangle: Dates and Times	R4DS
Cheat Sheet: tidyr	RStudio Cheatsheets
Cheat Sheet: reader	RStudio Cheatsheets
Cheat Sheet: stringr	RStudio Cheatsheets
Cheat Sheet: forcats	RStudio Cheatsheets
Cheat Sheet: lubridate	RStudio Cheatsheets

11.4 Assignments

Assignment	Deadline	Credit
Lab 09	Tuesday, November 16	100%
Lab 08	Tuesday, November 2	100%
Quiz 08	Thursday, November 4	105%

11.5 Office Hours

Staff and Link	Day	Time
Zoom with Linjun	Monday	8:00 PM - 10:00 PM
Zoom with Earl	Tuesday	9:00 AM - 11:00 AM
Zoom with Lia	Wednesday	3:30 PM - 5:30 PM
Zoom with David	Wednesday	7:00 PM - 9:00 PM
Zoom with Dave	Thursday	5:00 PM - 7:00 PM
Zoom with Tyler	Thursday	8:00 PM - 10:00 PM
Discussion Forum	Any!	Any!