R Programming for Statistics and Data Science - Naming a Vector in R

R Programming for Statistics and Data Science - Naming a Vector in R

Assessment

Interactive Video

Computers

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

This video tutorial introduces vector attributes in R, focusing on naming vectors. It begins by creating a vector with the ages of Beatles members when 'Yellow Submarine' was released. The tutorial demonstrates checking for attributes, assigning names to vector elements, and verifying the assignment. It also covers renaming and removing names from vectors. The lesson concludes with a preview of the next topic, which is seeking help in R.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial state of attributes in a newly created vector in R?

It has default names assigned.

It has a default class assigned.

It has no attributes.

It has a default dimension.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you assign names to a vector in R?

By using the 'names' function and passing a vector of characters.

By using the 'dimensions' function and passing a vector of characters.

By using the 'attributes' function and passing a vector of numbers.

By using the 'class' function and passing a vector of strings.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if you need to change the names of a vector?

Use the 'dimensions' function to update the names.

Use the 'names' function again with a new vector of names.

Use the 'attributes' function to modify the names.

Use the 'class' function to change the names.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you remove names from a vector in R?

Use the 'delete' function on the vector.

Use the 'remove' function on the vector.

Set the names attribute to null.

Set the names attribute to an empty string.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the vector when you set its names attribute to null?

The vector's names are removed.

The vector's values are reset.

The vector's class is changed.

The vector is deleted.