ありませんが、これはそれを行います。
splitWithOverlap <- function(vec, seg.length, overlap) {
starts = seq(1, length(vec), by=seg.length-overlap)
ends = starts + seg.length - 1
ends[ends > length(vec)] = length(vec)
lapply(1:length(starts), function(i) vec[starts[i]:ends[i]])
}
> splitWithOverlap(1:100, 20, 10)
[[1]]
[1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
[[2]]
[1] 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
[[3]]
[1] 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
[[4]]
[1] 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
[[5]]
[1] 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
[[6]]
[1] 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
[[7]]
[1] 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
[[8]]
[1] 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
[[9]]
[1] 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
[[10]]
[1] 91 92 93 94 95 96 97 98 99 100