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Lære Counting Factor Values | Section
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.

Oppgave

Swipe to start coding

Compute the frequency of each grade within the grades_f factor.

Løsning

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bookCounting Factor Values

Sveip for å vise menyen

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.

Oppgave

Swipe to start coding

Compute the frequency of each grade within the grades_f factor.

Løsning

Switch to desktopBytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenfor
Alt var klart?

Hvordan kan vi forbedre det?

Takk for tilbakemeldingene dine!

Seksjon 1. Kapittel 24
single

single

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