On Thu, Sep 23, 2010 at 2:49 AM, Marshall Lochbaum <mlochb...@raleighcharterhs.org> wrote: > By the way, what is the (+ 0,}:) for?
That makes the distribution symmetric because then the (discrete) random walk does not favour either the positive or the negative half line. Ambrus ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
