On Jan 5, 2008 8:32 AM, Keith Jones <keithlj at suddenlink.net> wrote: > Hi, > > Maybe I have not been looking in the right spot, but, I have not been > able to fine a command to automatically calculate the running > cumulative sum of a vector. Is there such a command? Try help.search("cumulative sum") Hadley -- http://had.co.nz/