data = c(10, 20, 40, 15, 40)
data
## [1] 10 20 40 15 40
data[3]
## [1] 40
data[4]
## [1] 15
data[c(1,3,4)]
## [1] 10 40 15
data[2:4]
## [1] 20 40 15
data = c(10, 20, 40, 15, 40)
data[3]
## [1] 40
data[4]
## [1] 15
data[c(1,3,4)]
## [1] 10 40 15