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Essential R Programming for Absolute Beginners - 1768563985826

bookCounting Factor Values

You can count how many times each category appears in a factor using the summary() function.

Example

12345
curr_f <- factor(c('USD', 'EUR', 'AUD', 'NOK', 'CHF', 'EUR', 'AUD', 'EUR')) # Count the occurrences of each level summary(curr_f)
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The output lists each level with the number of times it occurs. This makes it easy to see the distribution of categories in your data.

Note
Note

The order in which results appear corresponds to the order of levels in the factor.

Opgave

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Compute the frequency of each grade within the grades_f factor.

Løsning

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Sektion 1. Kapitel 24
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bookCounting Factor Values

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You can count how many times each category appears in a factor using the summary() function.

Example

12345
curr_f <- factor(c('USD', 'EUR', 'AUD', 'NOK', 'CHF', 'EUR', 'AUD', 'EUR')) # Count the occurrences of each level summary(curr_f)
copy

The output lists each level with the number of times it occurs. This makes it easy to see the distribution of categories in your data.

Note
Note

The order in which results appear corresponds to the order of levels in the factor.

Opgave

Swipe to start coding

Compute the frequency of each grade within the grades_f factor.

Løsning

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Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 1. Kapitel 24
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