View source for R: data

 data()

 # Loading
 data(mtcars)
 # Print the first 6 rows
 head(mtcars, 6)

 # 1. Loading 
 data("mtcars")
 # 2. Print
 head(mtcars)
 summary(mtcars)

 # Number of rows (observations)
 nrow(mtcars)
 # Number of columns (variables)
 ncol(mtcars)


 data("iris")
 head(iris)

 data("ToothGrowth")
 head(ToothGrowth)

 data("PlantGrowth")
 head(PlantGrowth)

 data("USArrests")
 head(USArrests)


==Basic R Functions==

 data(mtcars)
 summary(mtcars)
 quantile(mtcars$cyl,seq(0,1,.1)) # here seq gives
 fivenum(mtcars$cyl)
 sd(mtcars$cyl)
 var(mtcars$cyl)
 range(mtcars$cyl)

 mad(mtcars$cyl)
 IQR(mtcars$cyl)

 # skewcoeff(mtcars$cyl)
 # skewcoeff(mtcars$cyl)


==Pranala Menarik==

* [[R]]