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Grades Summary
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Course Content

R Introduction: Part I

Grades SummaryGrades Summary

Complete the task using the grades data.


  1. Call the summary() function on your grades_f variable to output the number of occurrences of each factor grade.
  2. 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
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