The original d17 is incorrect; d17revision1 are d17revision2 are correct.
----- Original Message ----- From: Robert Cyr <[EMAIL PROTECTED]> Date: Wednesday, May 28, 2008 11:35 Subject: [Jprogramming] weighted average, Phrase d17 To: [email protected] > >From Phrases, section 10 Maths & Stats: > > d17=: +/ .* % [EMAIL PROTECTED] NB.Mean of x weighted by y > > I would expect: > > d17revision1=:+/ .* % +/@] NB.Mean of x weighted by y > or > d17revision2=:+/@* % +/@] NB.Mean > of x weighted by y > > Do I misunderstand the intent of the formula? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
