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R Data Types Quiz

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Questions and Answers

Which of the following is NOT a key purpose of R data types?

Effective memory consumption

Precise computation

Specifying the kind of data that can be stored in a variable

Declaring variable data types (correct)

What does DBMS stand for?

Database Management System (correct)

Data Browsing Management System

Data Based Management System

Data Backup Management System

Which of these statements about R variables is correct?

Variables in R are not needed to be declared with a data type (correct)

Variables in R can store different data types over time

Variables must be declared with a data type in R

Variables can only store data of a single data type

What is the significance of the `#numeric data type var` statement in the given text?

It is a comment indicating that the following code uses the numeric data type Signup and view all the answers

What is the primary purpose of selecting the right data type in R?

To enable effective memory consumption and precise computation Signup and view all the answers

What is the purpose of R data types?

To specify the kind of data that can be stored in a variable Signup and view all the answers

In R, are variables required to be declared with a specific data type?

No, variables do not need to declare a data type in R Signup and view all the answers

Why is selecting the right data type important in R programming?

To speed up computation Signup and view all the answers

Can the data type of a variable in R be changed once it is assigned?

Yes, always Signup and view all the answers

How do R data types help in managing variables?

By defining the kind of data that can be stored in a variable Signup and view all the answers