R Quiz

What is the type of variable x?

• logic

• numeric

• character

• complex

What is the type of variable y?

• numeric

• complex

• logical

• character

What type of data structure is z?

• list

• matrix

• data frame

• vector

What type of data structure is t?

• matrix

• list

• vector

• string

What is the output of the R code in the image?

• 1,1,2,2

• 2,2

• 3,3

• 1,2,3

What R function is used to create a matrix object?

• matrix()

• vector()

• array()

• 2D_array()

What is the output of the R code in the image?

• 2

• 5

• 4

• 3

What is the output of the function in the image if we call mystery(2)?

• x

• 2

• 8

• mystery

Which of these commands implements an infinite loop in R?

• repeat

• while

• for

• if

What is the output of the function in the image if we call f(3,2)?

• 3,2

• 5

• 32

• 6