Not wrong, given the definition of median as stated in the note. It said the middle value for lists of odd numbers. 5 is the middle value of the list. Granted that I should have considered the definition of median outside of the note and made sure that the list was sorted. But I didn't. Bad design. I apologize.
On Sat, Sep 25, 2010 at 12:48 AM, Bo Jacoby <bojac...@yahoo.dk> wrote: > median 3 5 5 3 0 NB. wrong > 5 > median 0 3 3 5 5 NB. right > 3 > > Follow my advice: don't write a correct definition for median! The median > is a discontinuous function. The fix for even number of numbers solves no > problem. Don't support bad design with good programming! > > --- Den lør 25/9/10 skrev Don Guinn <dongu...@gmail.com>: > > Fra: Don Guinn <dongu...@gmail.com> > Emne: Re: [Jprogramming] Median > Til: "Programming forum" <programming@jsoftware.com> > Dato: lørdag 25. september 2010 05.35 > > median=:[:-:[:+/]{~[:(<.,>.)[:-:[:<:# > > On Fri, Sep 24, 2010 at 9:33 PM, Kip Murray <k...@math.uh.edu> wrote: > > > The median of list 0 1 2 3 4 is 2 (the middle element), and the median of > 0 > > 1 2 > > 3 is 1.5 (average of the two middle elements). Therefore the definition > of > > median given in Phrases 10C. Math and Stats is incorrect: > > > > median =: <....@-:@# { /:~ > > > > median 0 1 2 3 4 > > 2 > > median 0 1 2 3 > > 2 > > > > So, write a correct definition for median! --Kip Murray > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm