R Programming for Statistics and Data Science - Introduction - Data Frames

R Programming for Statistics and Data Science - Introduction - Data Frames

Assessment

Interactive Video

Information Technology (IT), Architecture, Social Studies

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial covers essential data manipulation techniques in R, focusing on data frames. It begins with importing data frames, followed by methods to understand their structure using functions like str and summary. The tutorial then explains how to access and extend data frames by adding new observations or variables. It addresses handling missing data, a common real-world issue, and concludes with exporting data frames for sharing.

Read more

5 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some important functions to use for getting a sense of your data frame?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you access individual elements of a data frame for further use?

Evaluate responses using AI:

OFF

3.

OPEN ENDED QUESTION

3 mins • 1 pt

What methods can be used to extend a data frame with new observations or variables?

Evaluate responses using AI:

OFF

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to deal with missing data in real-life scenarios?

Evaluate responses using AI:

OFF

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps should be taken to export data frames once you are satisfied with their state?

Evaluate responses using AI:

OFF

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?