Control Structures in R Quiz

What is the primary purpose of control structures in R?

• To define variables

• To create functions

• To control the flow of execution

• To store data

Which of the following is NOT a type of control statement in R?

• if condition

• for loop

• switch statement

• case statement

What does the 'if-else' statement do?

• Always executes the first block of code

• None of the above

• Executes code based on a TRUE condition

• Executes code only if the condition is FALSE

In a 'for loop', what does the 'variable' represent?

• The condition to check

• The sequence to iterate over

• The final output

• The current element in the sequence

What is the syntax for a 'while loop' in R?

• while (condition) { code }

• for (condition) { code }

• repeat { code }

• if (condition) { code }

What is the purpose of the 'break' statement?

• To define a function

• To skip the current iteration

• To continue to the next iteration

• To exit a loop prematurely

Which statement is used to return a value from a function?

• output()

• return()

• exit()

• result()

What does the 'switch' statement do?

• Executes multiple conditions

• Selects and executes one block of code based on an expression

• Loops through a sequence

• Defines a function

What is a characteristic of function recursion?

• A function cannot be nested

• A function calls itself

• A function cannot return a value

• A function must have parameters

What is the difference between parameters and arguments?

• Parameters are defined in the function; arguments are values passed to it

• Parameters are optional; arguments are required

• They are the same

• Parameters are values passed to a function; arguments are defined in the function