Function arguments in R Programming - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a function that takes one argument and returns it.

R Programming

my_function <- function([1]) {
  return([1])
}

Drag options to blanks, or click blank then click option'

Ax

By

Cz

Dvalue

Attempts:

3 left

💡 Hint

Common Mistakes

Using different names for the argument and return value.

Leaving the argument blank.

The argument name x is used consistently in the function definition and return statement.

2fill in blank

medium

Complete the code to call the function with the argument 5.

R Programming

result <- my_function([1])
print(result)

Drag options to blanks, or click blank then click option'

A"5"

Bx

C5

Dmy_function

Attempts:

3 left

💡 Hint

Common Mistakes

Passing a string instead of a number.

Passing the function name instead of an argument.

The function should be called with the number 5, not a string or variable name.

3fill in blank

hard

Fix the error in the function definition to correctly set a default argument value of 10.

R Programming

my_function <- function(x = [1]) {
  return(x)
}

Drag options to blanks, or click blank then click option'

A10

Bten

C"10"

Dx

Attempts:

3 left

💡 Hint

Common Mistakes

Using a string instead of a number for the default value.

Using a variable name that is not defined.

The default value should be the number 10 without quotes.

4fill in blank

hard

Fill both blanks to define a function with two arguments where the second has a default value.

R Programming

my_function <- function([1], [2] = 5) {
  return([1] + [2])
}

Drag options to blanks, or click blank then click option'

Ax

By

Cz

Dvalue

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same name for both arguments.

Not providing a default value for the second argument.

The function uses x and y as argument names, with y having a default value.

5fill in blank

hard

Fill all three blanks to create a function that multiplies two arguments and adds a third with a default value.

R Programming

my_function <- function([1], [2], [3] = 1) {
  return([1] * [2] + [3])
}

Drag options to blanks, or click blank then click option'

Aa

Bb

Cc

Dd

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same name for multiple arguments.

Not setting a default value for the third argument.

The function uses a, b, and c as argument names, with c having a default value.