The dependent variable is 자동차 연비 and The independent variable is 실린더의 종류
using as.matrix()
as.matrix(mtcars)
using ncol()
ncol(mtcars)
str(mtcars)
The dependent variable is the species and the independent variable is sepal length, sepal width, petal length, and petal width
data(iris)
Note that the echo = FALSE parameter was added to the
code chunk to prevent printing of the R code that generated the
plot.