Course Content

# R Introduction: Part I

R Introduction: Part I

## Grades Summary

Complete the task using the `grades`

data.

# Task

- Call the
`summary()`

function on your`grades_f`

variable to output the number of occurrences of each factor grade. - Calculate the proportion of each grade, dividing the result of
`summary(grades_f)`

by the total number of observations using the`length()`

function applied to the`grades_f`

variable.

Everything was clear?

Section 3. Chapter 6