Challenge: Grades Summary
Compito
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You have a factor vector, grades_f, which assigns each numeric grade into one of five categories ('F', 'D', 'C', 'B', 'A'). Your goal is to:
- Use the
summary()function ongrades_fto display the number of occurrences of each grade. - Compute the relative frequency of each grade by dividing the counts from the previous step by the total number of grades. To find the total, call the
length()function ongrades_f.
Soluzione
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Sezione 1. Capitolo 26
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Challenge: Grades Summary
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Compito
Swipe to start coding
You have a factor vector, grades_f, which assigns each numeric grade into one of five categories ('F', 'D', 'C', 'B', 'A'). Your goal is to:
- Use the
summary()function ongrades_fto display the number of occurrences of each grade. - Compute the relative frequency of each grade by dividing the counts from the previous step by the total number of grades. To find the total, call the
length()function ongrades_f.
Soluzione
Tutto è chiaro?
Grazie per i tuoi commenti!
Sezione 1. Capitolo 26
single