How about defining get as

get=:13 : '(,words)i.boxopen y'


Then it can take a single word unboxed or a boxed list.


On Wed, Feb 21, 2018 at 10:18 AM, Raul Miller <rauldmil...@gmail.com> wrote:

> That's an interesting point.
>
> That said, if you give get a large list of words to look up, it's the
> sort of issue which might be buried in everything else that's going on
> (the cost per word gets divided by the number of words being looked up
> at once).
>
> Thanks,
>
> --
> Raul
>
>
> On Wed, Feb 21, 2018 at 12:08 PM, Don Guinn <dongu...@gmail.com> wrote:
> > Defining a verb get to retrieve the index of the desired word as tacit
> does
> > make get pretty much unreadable; however, there is a possible performance
> > gain as the hash table for i. gets built only once when get is defined.
> If
> > you will be running get many times this could result in a significant
> > performance gain.
> >
> > Of course, once read in words must not be modified without rebuilding
> get.
> > But if it turns out that you don't need words for anything else than in
> get
> > then you could erase words after get is defined so storage used by a big
> > verb is offset by not having words around any more.
> >
> > On Wed, Feb 21, 2018 at 9:31 AM, R.E. Boss <r.e.b...@outlook.com> wrote:
> >
> >>  vec {~ (<'adults') i.~ words
> >> is perhaps what you are looking for
> >>
> >>
> >> R.E. Boss
> >>
> >>
> >> > -----Original Message-----
> >> > From: Programming [mailto:programming-boun...@forums.jsoftware.com]
> >> > On Behalf Of Skip Cave
> >> > Sent: woensdag 21 februari 2018 17:09
> >> > To: programm...@jsoftware.com
> >> > Subject: Re: [Jprogramming] File Cleanup
> >> >
> >> > Thanks to Raul and Mike for the suggestions.
> >> >
> >> > I read in the data:
> >> >
> >> >
> >> > nb =: <'C:\numberbatch-en.txt'
> >> >
> >> > nbs =. fread nb
> >> >
> >> >
> >> > Then I tried to clean it up:
> >> >
> >> >
> >> > Mike's method ran out of memory:
> >> >
> >> > nbs4 =. ( i.&' ' ({.;0 ". }.)] ) every nbs
> >> >
> >> > |out of memory
> >> >
> >> > When I tried to run it on a smaller set:
> >> >
> >> > nbs4=: (i.&' '({.;0".}.)])every 100000{. nbs
> >> >
> >> > nbs4
> >> >
> >> > ...
> >> >
> >> > │0││
> >> >
> >> > ├─┼┤
> >> >
> >> > │0││
> >> >
> >> > ├─┼┤
> >> >
> >> > │3││
> >> >
> >> > ├─┼┤
> >> >
> >> > │5││
> >> >
> >> > ├─┼┤
> >> >
> >> > │ ││
> >> >
> >> > ├─┼┤
> >> >
> >> > │0││
> >> >
> >> > ├─┼┤
> >> >
> >> > │.││
> >> >
> >> > ├─┼┤
> >> >
> >> > │0││
> >> >
> >> > ├─┼┤
> >> >
> >> > │7││
> >> >
> >> > ├─┼┤
> >> >
> >> > │8││
> >> >
> >> > ├─┼┤
> >> >
> >> > │2││
> >> >
> >> > ├─┼┤
> >> >
> >> > So that wasn't working for me.
> >> >
> >> > I tried Raul's suggestion:
> >> >
> >> > words=. <@({.~ i.&' ');._2 nbs
> >> >
> >> > vec =. 0 1 }. _&".;._2 nbs
> >> >
> >> >
> >> > $words
> >> >
> >> > 417195
> >> >
> >> >
> >> > Looking good....
> >> >
> >> >
> >> > ,.20{. 6000}. words
> >> >
> >> > ┌────────────┐
> >> >
> >> > │adultly │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adultness │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adultoid │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adultress │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adults │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adultship │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adulty │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbral │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbrant │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbrate │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbrated │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbrates │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbrating │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbration │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbrations│
> >> >
> >> > ├────────────┤
> >> >
> >> > │adumbrative │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adunation │
> >> >
> >> > ├────────────┤
> >> >
> >> > │adunc │
> >> >
> >> > ├────────────┤
> >> >
> >> > │aduncate │
> >> >
> >> > ├────────────┤
> >> >
> >> > │aduncity │
> >> >
> >> > └────────────┘
> >> >
> >> > $vec
> >> >
> >> > 417195 300
> >> >
> >> > 3 {. }.vec
> >> >
> >> > _0.0264 0.0468 _0.0099 _0.0242 _0.0762 0.0562 0.0863 0.0115 _0.0471
> >> 0.0442
> >> > _0.0875 0.0376 _0.0404 _0.0086 0.0161 _0.1689 0.1485 _0.0201 0.1021
> >> _0.0635
> >> > _0.0317 0.0142 0.0588 _0.1299 _0.0905 0.0389 _0.0452 0.1352 0.0731
> 0.0648
> >> > 0.1309 0.0493 0.0785 0.015...
> >> >
> >> > _0.0096 0.0318 _0.0095 _0.042 _0.0831 0.1103 0.075 0.024 _0.0237
> 0.0398
> >> > _0.1274 _0.0299 _0.0209 _0.0195 _0.0043 _0.1033 0.1378 _0.0499 0.0517
> >> > _0.0958 _0.0651 0.0214 0.0096 _0.0855 _0.1049 0.036 _0.0562 0.043
> 0.0616
> >> > 0.1124 0.152 0.0418 0.0628 _0.018...
> >> >
> >> > _0.0364 0.0254 _0.0448 _0.0327 _0.0712 0.1548 0.1004 0.0033 _0.039
> 0.0635
> >> > _0.1179 _0.0703 _0.0359 0.0296 _0.0594 _0.0954 0.1904 _0.0301 0.0078
> >> > _0.0607 _0.0344 0.034 _0.0059 _0.1453 _0.0429 _0.0061 _0.05 0.0377
> 0.0959
> >> > 0.1313 0.1238 0.0302 0.0043 _0.038...
> >> >
> >> >
> >> > So this looks good!
> >> >
> >> >
> >> > Now I need a verb that will let me specify a word, and it will return
> the
> >> > associated vector.
> >> >
> >> > Here's how it should work:
> >> >
> >> >
> >> > tst =. get 'adults'
> >> >
> >> >
> >> > tst
> >> >
> >> > 0.1144 0.0444 0.0574 0.0387 0.082 _0.0271 0.209 _0.006 _0.1896 0.1038
> >> > _0.0257 0.0646 0.0488 _0.0065 0.0486 0.0422 0.0239 _0.1006 _0.0541
> 0.0511
> >> > _0.0254 _0.0121 0.0216 0.0324 _0.1349 0.0237 0.0049 0.0061 0.0349
> _0.0264
> >> > 0.0086 0.0919 _0.0174 0.0645 ...
> >> >
> >> >
> >> > To build the 'get' verb we need to try to find the location of the
> word
> >> 'adults'
> >> > in the boxed words array:
> >> >
> >> > 'adults' = each words
> >> >
> >> > |length error
> >> >
> >> > | 'adults' =each words
> >> >
> >> >
> >> > Nope, that didn't work... Do I need to box the word?
> >> >
> >> >
> >> > (<'adults')=each words
> >> >
> >> > |length error
> >> >
> >> > | (<'adults') =each words
> >> >
> >> >
> >> > Nope! How do I find a specific word in the boxed word array?
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > Skip Cave
> >> > Cave Consulting LLC
> >> >
> >> > On Wed, Feb 21, 2018 at 2:36 AM, Skip Cave <s...@caveconsulting.com>
> >> > wrote:
> >> >
> >> > > I read in a text file of word vectors using fread. The format looks
> >> > > like
> >> > > this:
> >> > >
> >> > > bell 0.0264 -0.2927 -0.0254 -0.1034 0.1672 -0.0440 -0.0019 0.1210
> ...
> >> > >
> >> > > bell_tower -0.1252 -0.1233 0.1351 0.1897 0.0242 0.0014 0.1942
> -0.0237
> >> ...
> >> > >
> >> > > belt 0.1332 0.0142 -0.1208 -0.0574 0.1451 -0.0731 -0.1293 0.0855 ...
> >> > >
> >> > > belfast 0.1190 -0.0440 -0.0254 -0.2090 0.2144 0.0348 -0.1467 0.1256
> ...
> >> > >
> >> > > Everything is literal text.
> >> > >
> >> > > The basic layout for each line is:
> >> > >
> >> > > word(s) (could contain multiple words separated by underscores)
> space
> >> > > number (positive or negative) in text format space number (positive
> or
> >> > > negative) in text format space
> >> > > ......   repeat for 300 numbers (in text)
> >> > >
> >> > > the last number is followed by a line feed for the next line
> >> > >
> >> > > I need to:
> >> > > 1. Convert all the the high minuses (-) to J's low minus (_) 2.
> >> > > Extract the word(s) up to the first space into a separate array
> >> > > (words) 3. Convert the text numbers into a 2D array of ? x 300
> >> > > floating point numbers
> >> > >
> >> > > I know how to do #1 (string replace), and #3 (".) once I get rid of
> >> > > the words, but I don't know how to strip out the initial word on
> each
> >> > > line and put them in a separate array. Any help is appreciated.
> >> > >
> >> > > Skip
> >> > >
> >> > ------------------------------------------------------------
> ----------
> >> > 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
>
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