R rowSums()

1 개요

R rowSums()

• Form Row Sums

행렬

m <- matrix(1:6, nrow=3, ncol=2)
m

rowSums(m)

데이터프레임

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

rowSums(df)

apply(df, 1, sum)

2 같이 보기

• R sum()
• R apply()
• R matrix()
• R colSums()
• R rowMeans()
• R margin.table()

3 참고

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