Dear S+ users; I am using S+6.2 for windows. I have a sorted data frame dat1 V1 V2 1 2 1 2 3 4 3 5 5 4 8 2 5 10 6 6 11 2 7 15 3 8 18 1 What I want to do is first to accumulate the V2 until a specific
Hi there; I don't know how to reply my previous post. Thanks to Chuck Taylor and Tony Plate for your replies to my post of cumulative sum problem. The s+ code for the problem by Chuck is <- cumsum(da