This is good to know - thanks!
On Wed, Mar 15, 2023 at 8:40 PM Ric Sherlock <tikk...@gmail.com> wrote:
> As an adverb we can get the ascending and descending by applying either /:
> or \:
>
> open 'stats/base/univariate' NB. in JQt will open the script
>
> rankCompete=: 1 :'u~ i. ]'
>
> On Thu, Mar 16, 2023 at 1:30 PM Ric Sherlock <tikk...@gmail.com> wrote:
>
> > There are number of adverbs in the stats/base script for getting
> different
> > types of rankings
> >
> > NB.*rankOrdinal a ordinal ranking ("0 1 2 3") of array y
> >
> > NB.*rankCompete a standard competition ranking ("0 0 2 3") of array y
> >
> > NB.*rankDense a dense ranking ("0 0 1 2") of array y
> >
> > NB.*rankFractional a fractional ranking ("0 1.5 1.5 3") of array y
> >
> >
> > \: rankCompete vec
> >
> > 6 0 3 0 4 2 5 6
> >
> > On Thu, Mar 16, 2023 at 11:24 AM Devon McCormick <devon...@gmail.com>
> > wrote:
> >
> >> These are both way better than what I came up with. Thanks!
> >>
> >> On Wed, Mar 15, 2023 at 5:07 PM 'robert therriault' via Programming <
> >> programm...@jsoftware.com> wrote:
> >>
> >> > Nicely done Elijah!
> >> >
> >> > It has a pretty solution in tacit as well
> >> >
> >> > vec=. 49 275 93 275 92 99 91 49
> >> > t=. i.~ \:~
> >> > t vec
> >> > 6 0 3 0 4 2 5 6
> >> >
> >> > Cheers, bob
> >> >
> >> > > On Mar 15, 2023, at 13:59, Elijah Stone <elro...@elronnd.net>
> wrote:
> >> > >
> >> > > One thing that comes to mind is (\:~vec) i.vec.
> >> > >
> >> > > On Wed, 15 Mar 2023, Devon McCormick wrote:
> >> > >
> >> > >> Hi, has anyone looked into how to generate a rank numbering where
> >> > duplicate
> >> > >> values get duplicate order numbers?
> >> > >>
> >> > >> For example, when we rank this vector descending,
> >> > >> \:vec=. 49 275 93 275 92 99 91 49
> >> > >> 1 3 5 2 4 6 0 7
> >> > >> we see that 1 3{vec and 0 7{vec are the same so I would like to end
> >> up
> >> > with
> >> > >> a rank numbering like this 6 0 3 0 4 2 5 6 so the ties for first
> and
> >> > last
> >> > >> place get the same value in the proper order where zero designates
> >> the
> >> > >> highest.
> >> > >>
> >> > >> I know I've done this before and I have a very clumsy way to
> achieve
> >> > this
> >> > >> but I'm wondering if there's a better one.
> >> > >>
> >> > >> Thanks,
> >> > >>
> >> > >> Devon
> >> > >>
> >> > >> --
> >> > >>
> >> > >> Devon McCormick, CFA
> >> > >>
> >> > >> Quantitative Consultant
> >> > >>
> >> ----------------------------------------------------------------------
> >> > >> For information about J forums see
> >> http://www.jsoftware.com/forums.htm
> >> > >
> ----------------------------------------------------------------------
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> >> >
> >> > ----------------------------------------------------------------------
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> http://www.jsoftware.com/forums.htm
> >> >
> >>
> >>
> >> --
> >>
> >> Devon McCormick, CFA
> >>
> >> Quantitative Consultant
> >> ----------------------------------------------------------------------
> >> For information about J forums see http://www.jsoftware.com/forums.htm
> >>
> >
> ----------------------------------------------------------------------
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>
--
Devon McCormick, CFA
Quantitative Consultant
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