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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

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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.

Tarefa

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Compute the frequency of each grade within the grades_f factor.

Solução

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Seção 1. Capítulo 24
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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.

Tarefa

Swipe to start coding

Compute the frequency of each grade within the grades_f factor.

Solução

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Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 1. Capítulo 24
single

single

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