Page 30 - Applied Statistics with R

30 CHAPTER 3. DATA AND PROGRAMMING

length(x)

## [1] 6

length(y)

## [1] 100

length(y) / length(x)

## [1] 16.66667

(x + y) - y

## Warning in x + y: longer object length is not a multiple of shorter object
## length

## [1] 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1
## [38] 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3
## [75] 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7 8 9 1 3 5 7

y = 1:60
x + y

## [1] 2 5 8 11 13 15 8 11 14 17 19 21 14 17 20 23 25 27 20 23 26 29 31 33 26
## [26] 29 32 35 37 39 32 35 38 41 43 45 38 41 44 47 49 51 44 47 50 53 55 57 50 53
## [51] 56 59 61 63 56 59 62 65 67 69

length(y) / length(x)

## [1] 10

rep(x, 10) + y

## [1] 2 5 8 11 13 15 8 11 14 17 19 21 14 17 20 23 25 27 20 23 26 29 31 33 26
## [26] 29 32 35 37 39 32 35 38 41 43 45 38 41 44 47 49 51 44 47 50 53 55 57 50 53
## [51] 56 59 61 63 56 59 62 65 67 69