Learn the required content of this unit, and conduct your research to answer the following questions in this discussion forum:
What are various ways and libraries that provide similar capabilities for Importing data from CSV and text files as well as other forms of datafile such as excel file formats? (investigate many R libraries that are available beyond the required content)
Compare and contrast the functionality of for loop, while loop, with apply functions? Provide your unique examples and show the differences by a script that your classmates can run to see the difference.
Videos
Topic Access
Import Data, Copy Data from Excel to R CSV & TXT Files (7 min) https://www.youtube.com/watch?v=qPk0YEKhqB8
Loading Data and Working With Data Frames (4 min) https://www.youtube.com/watch?v=qK1ElUMkhq0&list=PLOU2XLYxmsIK9qQfztXeybpHvru-TrqAP&index=8
Loading Data, Object Summaries, and Dates (4 min) https://www.youtube.com/watch?v=cx_3zWo4sUs&list=PLOU2XLYxmsIK9qQfztXeybpHvru-TrqAP&index=9
if() Statements, Logical Operators, and the which() Function (5 min) https://www.youtube.com/watch?v=eVEx_pBEkRI&list=PLOU2XLYxmsIK9qQfztXeybpHvru-TrqAP&index=10
for() Loops and Handling Missing Observations (4 min) https://www.youtube.com/watch?v=djI-yfk-DZM&list=PLOU2XLYxmsIK9qQfztXeybpHvru-TrqAP&index=11
Managing the Workspace and Variable Casting (3 min) https://www.youtube.com/watch?v=8oc3mIa0TCw&list=PLOU2XLYxmsIK9qQfztXeybpHvru-TrqAP&index=13
The apply() Family of Functions (6 min) https://www.youtube.com/watch?v=WuCVs3bW-ZY&list=PLOU2XLYxmsIK9qQfztXeybpHvru-TrqAP&index=14
User defined functions and while loops (12 min0 https://www.youtube.com/watch?v=LNpg8jgGex4&list=PLg5nrpKdkk2BvYF6QZNUDVGU7zHvjQnie&index=6
Articles
Medium Topic Access
Tutorial Working with Messy Data http://becomingvisual.com/rfundamentals/working-with-messy-data.html
Tutorial Conditionals, Controls, & Functions http://becomingvisual.com/rfundamentals/conditionals-controls-functions.html
