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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.

Taak

Swipe to start coding

Compute the frequency of each grade within the grades_f factor.

Oplossing

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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.

Taak

Swipe to start coding

Compute the frequency of each grade within the grades_f factor.

Oplossing

Switch to desktopSchakel over naar desktop voor praktijkervaringGa verder vanaf waar je bent met een van de onderstaande opties
Was alles duidelijk?

Hoe kunnen we het verbeteren?

Bedankt voor je feedback!

Sectie 1. Hoofdstuk 24
single

single

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