PROBLEM SOLVING USING R UNIT I MCQS

Which pane in the R console displays the results of executed commands?

• Console pane

• Editor pane

• Help pane

• Plot pane

What is the primary programming language used in R?

• Python

• Java

• R

• C++

Which of the following is a basic feature of R?

• Object-oriented programming

• Automatic memory management

• Multithreading support

• Static typing

What is the purpose of comments in R code?

• To add explanations and documentation

• To disable a line of code temporarily

• To specify the data type of a variable

• To highlight syntax errors

How can you install a package in R?

• Using the install.packages() function

• Using the load.packages() function

• Using the import.packages() function

• Using the require.packages() function

Where can you find help files and function documentation in R?

• R website

• Package documentation

• RStudio IDE

• CRAN repository

How can you save your work and exit R?

• Using the save() function

• Using the quit() function

• Using the exit() function

• Using the close() function

Which of the following is a valid naming convention in R?

• variable-name

• VariableName

• variable_name

• 1variable

Which mathematical operation is performed by the ^ operator in R?

• Addition

• Subtraction

• Multiplication

• Exponentiation

What does the function log10() compute in R?

• Natural logarithm

• Base 10 logarithm

• Exponential function

• Square root