Create Adjacent Combinations, Varying Length

Create adjacent combinations of the elements of a vector, varying the length with each iteration.

adjCombos(invec)

Arguments

invec	The input vector

Value

A list of vectors

References

http://stackoverflow.com/a/20157957/1270695

Author

Ananda Mahto

Examples

adjCombos(letters[1:5])
#> [[1]]
#> [1] "a" "b"
#> 
#> [[2]]
#> [1] "b" "c"
#> 
#> [[3]]
#> [1] "c" "d"
#> 
#> [[4]]
#> [1] "d" "e"
#> 
#> [[5]]
#> [1] "a" "b" "c"
#> 
#> [[6]]
#> [1] "b" "c" "d"
#> 
#> [[7]]
#> [1] "c" "d" "e"
#> 
#> [[8]]
#> [1] "a" "b" "c" "d"
#> 
#> [[9]]
#> [1] "b" "c" "d" "e"
#>