R colMeans()

1 개요

R colMeans()

• "열 평균", "세로 평균"
• Form Column Means

R

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df <- read.table( header=TRUE, stringsAsFactors=FALSE, text="
English Math Science
30      60   99
40      70   88
50      80   77
60      90   66
70      90   55
")
df

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colMeans(df)

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sapply(df, mean)

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apply(df, 2, mean)

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2 같이 보기

• R mean()
• R apply()
• R sapply()
• R colSums()
• R rowMeans()

3 참고

• https://www.rdocumentation.org/packages/base/versions/3.6.1/topics/colSums