R aggregate()

1 개요

R aggregate()

• "Compute Summary Statistics Of Data Subsets → 통계 데이터 부분집합 요약 계산"

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aggregate(Sepal.Length ~ Species, data=iris, sum)

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aggregate(Sepal.Length ~ Species, data=iris, mean)

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aggregate(. ~ Species, data=iris, mean)

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2 같이 보기

• R apply()
• R lapply()
• R tapply()
• R split()
• R sum()
• R mean()
• aggregate
• R 그룹별 합 구하기

3 참고

• https://www.rdocumentation.org/packages/stats/versions/3.5.3/topics/aggregate