Page 29 - Applied Statistics with R
P. 29
3.2. DATA STRUCTURES 29
which.max(x)
## [1] 6
3.2.4 More Vectorization
x = c(1, 3, 5, 7, 8, 9)
y = 1:100
x + 2
## [1] 3 5 7 9 10 11
x + rep(2, 6)
## [1] 3 5 7 9 10 11
x > 3
## [1] FALSE FALSE TRUE TRUE TRUE TRUE
x > rep(3, 6)
## [1] FALSE FALSE TRUE TRUE TRUE TRUE
x + y
## Warning in x + y: longer object length is not a multiple of shorter object
## length
## [1] 2 5 8 11 13 15 8 11 14 17 19 21 14 17 20 23 25 27
## [19] 20 23 26 29 31 33 26 29 32 35 37 39 32 35 38 41 43 45
## [37] 38 41 44 47 49 51 44 47 50 53 55 57 50 53 56 59 61 63
## [55] 56 59 62 65 67 69 62 65 68 71 73 75 68 71 74 77 79 81
## [73] 74 77 80 83 85 87 80 83 86 89 91 93 86 89 92 95 97 99
## [91] 92 95 98 101 103 105 98 101 104 107
