[R] split rows by range

[JSHuang]

Hi, 

  I define a function named starStop with three inputs: start, stop and
increment.

> startStop <- function(start, stop, increment) {
+ for (i in seq(start, stop, increment+1)) cat(i,"-",i+increment,"\n")}
> startStop(12, 35, 5)
12 - 17 
18 - 23 
24 - 29 
30 - 35 
> startStop(42, 83, 5)
42 - 47 
48 - 53 
54 - 59 
60 - 65 
66 - 71 
72 - 77 
78 - 83 
> startStop(61, 90, 5)
61 - 66 
67 - 72 
73 - 78 
79 - 84 
85 - 90 



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