12 Data Wrangling II

• Start: Tuesday, November 9

12.1 Summary

This week we will complete discussion of several data wrangling concepts.

12.2 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.

12.3 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
Communicate: R Markdown	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
Cheat Sheet: rmarkdown	RStudio Cheatsheets

12.4 Video

Title	Link	Mirror
12.1 - Factors	12.1 - YouTube	12.1 - ClassTranscribe
12.2 - Dates and Times	12.1 - YouTube	12.1 - ClassTranscribe

12.5 Assignments

• Lab 10 Data

Assignment	Deadline	Credit
Lab 10	Tuesday, November 30	100%
Lab 09	Tuesday, November 16	100%

12.6 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!