R str()

1 개요

str(BOD)
#'data.frame':	6 obs. of  2 variables:
# $ Time  : num  1 2 3 4 5 7
# $ demand: num  8.3 10.3 19 16 15.6 19.8
# - attr(*, "reference")= chr "A1.4, p. 270"

str(iris)
#'data.frame':	150 obs. of  5 variables:
# $ Sepal.Length: num  5.1 4.9 4.7 4.6 5 5.4 4.6 5 4.4 4.9 ...
# $ Sepal.Width : num  3.5 3 3.2 3.1 3.6 3.9 3.4 3.4 2.9 3.1 ...
# $ Petal.Length: num  1.4 1.4 1.3 1.5 1.4 1.7 1.4 1.5 1.4 1.5 ...
# $ Petal.Width : num  0.2 0.2 0.2 0.2 0.2 0.4 0.3 0.2 0.2 0.1 ...
# $ Species     : Factor w/ 3 levels "setosa","versicolor",..: 1 1 1 1 1 1 1 1 1 1 ...

2 같이 보기

• R class()
• R summary()
• R head()
• R tail()
• R 자료형