Hi,
I want to use the first digit of the elements of a vector.
I've tried grep but didn't work.
Any help is welcome.
Thanks
EJ
> grep("^[0-9]",as.character(runif(100,0,2)))
[1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18
[19] 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
35 36
[37] 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
53 54
[55] 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
71 72
[73] 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
89 90
[91] 91 92 93 94 95 96 97 98 99 100