box=: <@,."1@|: Thanks,
-- Raul On Fri, Jul 24, 2020 at 9:16 PM Skip Cave <[email protected]> wrote: > > Raul, > I was thinking more along the lines of: > > hsbc=:[:(]{"1~[:\:1{])~.,:#/.~ > > hsbc n > > 13 9 14 6 10 7 > > 3 2 2 1 1 1 > > box hsbc n > ┌──┬─┬──┬─┬──┬─┐ > │13│9│14│6│10│7│ > │3 │2│2 │1│1 │1│ > └──┴─┴──┴─┴──┴─┘ > How could the box verb be made? > > Skip Cave > Cave Consulting LLC > > > On Fri, Jul 24, 2020 at 6:20 PM Raul Miller <[email protected]> wrote: > > > Well... first off, there's a trivial conversion to tacit available here: > > > > 13 :'h{"1~\:1{h=.(~.,:#/.~)n=.y' > > [: (] {"1~ [: \: 1 { ]) ~. ,: #/.~ > > > > And I guess that's good enough, so let's just name it: > > > > hsbc=: 13 :'h{"1~\:1{h=.(~.,:#/.~)n=.y' > > n=: 9 13 6 9 13 13 10 14 7 14 > > > > As for vertical boxes, maybe something like this would be close enough > > to what you want? > > > > vbox=: ]each@{.,:'#' ,.@#each~ {: > > vbox hsbc n > > +--+-+--+-+--+-+ > > |13|9|14|6|10|7| > > +--+-+--+-+--+-+ > > |# |#|# |#|# |#| > > |# |#|# | | | | > > |# | | | | | | > > +--+-+--+-+--+-+ > > > > Though personally, I might be more inclined towards horizontal boxes > > (partially because the proportional font I see used in email contexts > > messes up vertical boxes so badly, but also see my hbar suggestion) > > > > hbox=: ]each@{.,.'#' #each~ {: > > hbox hsbc n > > > > Or, getting rid of the boxes: > > > > hbar=: ":@,.@{. ,.' ' ,. '#' #every~ {: > > hbar hsbc n > > 13 ### > > 9 ## > > 14 ## > > 6 # > > 10 # > > 7 # > > > > (This sort of thing still looks better with a fixed width font, in my > > opinion.) > > > > Thanks, > > > > > > -- > > Raul > > > > On Fri, Jul 24, 2020 at 6:45 PM Skip Cave <[email protected]> wrote: > > > > > > I find that a histogram of the data sorted by count, is useful in many > > > cases, in place of the mode: > > > > > > ]n=.?10#15 > > > > > > 9 13 6 9 13 13 10 14 7 14 > > > > > > h{"1~\:1{h=.(~.,:#/.~)n > > > > > > 13 9 14 6 10 7 > > > > > > 3 2 2 1 1 1 > > > > > > > > > I'm sure there are more concise ways to express this, and it would be > > nice > > > to have vertical boxes for each quantity, but this gets what I need done. > > > > > > > > > Skip > > > > > > Skip Cave > > > Cave Consulting LLC > > > > > > > > > On Fri, Jul 24, 2020 at 1:47 PM Raul Miller <[email protected]> > > wrote: > > > > > > > > > https://en.wikipedia.org/wiki/Mode_(statistics)#Uniqueness_and_definedness > > > > > > > > "Finally, as said before, the mode is not necessarily unique. Certain > > > > pathological distributions (for example, the Cantor distribution) have > > > > no defined mode at all." > > > > > > > > That said, just as we can redefine median to be the mean of the two > > > > median values when the length of the sequence is even, we could > > > > redefine mode as the median of the candidate mode values when there is > > > > more than one "most frequently occuring value". > > > > > > > > Thanks, > > > > > > > > -- > > > > Raul > > > > > > > > On Fri, Jul 24, 2020 at 2:36 PM Devon McCormick <[email protected]> > > > > wrote: > > > > > > > > > > Hi - I've started reading "Fun Q" which is a book on machine learning > > > > using > > > > > the q language. Early on, the author points out that his "mode" > > > > function - > > > > > where "mode" is stats-talk for "the most frequent observation" - is > > > > > order-dependent. > > > > > > > > > > I checked my own "mode" and found that this is true of mine as well: > > > > > mode > > > > > ~. {~ [: (i. >./) #/.~ > > > > > mode 1 2 2 3 3 > > > > > 2 > > > > > mode 1 3 3 2 2 > > > > > 3 > > > > > > > > > > This might be an ill-defined statistical concept but does anyone > > have any > > > > > insight based on practice? Is this order-dependence just a weakness > > of > > > > the > > > > > definition of "mode"? > > > > > > > > > > I could not find "mode" defined in any of the J standard libraries. > > > > > > > > > > Thanks, > > > > > > > > > > Devon > > > > > > > > > > -- > > > > > > > > > > Devon McCormick, CFA > > > > > > > > > > Quantitative Consultant > > > > > > > ---------------------------------------------------------------------- > > > > > 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 > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
