Get to Know Tidyverse | Vertabelo Academy

What you get?

Fully interactive online courses. Just you, SQL, Python, R and the web browser.

Instant access to lessons. You decide when and how long you want to learn.

Hundreds of SQL, Python, R exercises to master Your skills.

Course completion certificate to show the world that you really can!

Deals Of The Week - hours only!Up to 80% off on all courses and bundles.-Close

5/13 Delete a column

1. Introduction

2. Reading file

3. Create factors

4. Create an id column

5. Delete a column

6. Explore the levels of factors in the dataset

7. Change factor levels

8. Load the second CSV

9. Join the two datasets

10. Clean up the data

11. Calculate some statistics

12. Calculate statistics for age groups

13. Congratulations

We don't need the domain column, so we’ll delete it from our dataset.

Delete the domain column from the personal_info dataset. Assign the modified dataset back to itself.

Type:

personal_info <- select(personal_info, -domain)

Our website uses cookies. By using this website, you agree to their use in accordance with the browser settings.You can modify your browser settings on your own. For more information see our Privacy Policy.

Instruction

Exercise

Stuck? Here's a hint!

Need assistance?

login:
password:
Remember me on this computer

Recipient's Name:
Recipient's Email:
Your Message (Optional):

Create a free accountand start learning now!

What you get?

Sign upand join a company account!

Log in

Your registration has been successfully finished

Wrap course as a gift

Tidyverse

Instruction

Exercise

Stuck? Here's a hint!

Need assistance?