I use J all the time for basic data extraction, manipulation and analysis. A lot of this is documented on the wiki in the NYCJUG meetings; unfortunately, I've been remiss in recent years in keeping this up-to-date but there's a lot there.
Also, there are the articles here http://code.jsoftware.com/wiki/Articles and the scripts here http://code.jsoftware.com/wiki/Scripts . On Sat, Jul 15, 2017 at 10:48 AM, Raul Miller <rauldmil...@gmail.com> wrote: > I have used J for "more general tasks". (Though, in one case, I > replaced the code with a perl script which was only 3 times slower - > the code only took a few minutes to run, once a month, and saving time > on installation and deployment was deemed a "greater good". And, that > said, I have also used J to model difficult bits of code that I would > otherwise have struggled with in other languages - a C# project comes > to mind...) > > However, I got paid for those efforts. (Either because I was salaried > at the time or because I was working on a contract at the time.) Which > means someone else owns that code now. So, it would be unprofessional > of me to post the code here. > > Anyways, for me, J is easier than Python. Maybe that just means I do > not know enough Python (and enough Python libraries...)? Still, python > tends to favor tedious implementations. That said, we have lost a > variety of supporting facilities over the years (the sax xml support > comes to mind), so there's that, also... > > Thanks, > > -- > Raul > > > On Sat, Jul 15, 2017 at 8:25 AM, Arie van Wingerden <xapw...@gmail.com> > wrote: > > I like J very much and wonder if it could be used for more general > > application programming. > > > > Does anybody of you use J for more general tasks (e.g. not specifically > > numeric) in the spirit of e.g. Python applications? > > > > If so, is that more or less dificult than doing it in e.g. Python? > > > > Any examples of such apps created using J? > > > > TIA > > /Arie > > > > 2017-07-15 12:53 GMT+02:00 Björn Helgason <gos...@gmail.com>: > > > >> The d3 graphics has a big user community. > >> The J use of it does not show many examples yet. > >> I assume it has a huge potential. > >> > >> On 14 Jul 2017 20:57, "Raul Miller" <rauldmil...@gmail.com> wrote: > >> > >> > Presumably you mean the graphics/d3 addon? > >> > > >> > Thanks, > >> > > >> > -- > >> > Raul > >> > > >> > > >> > On Fri, Jul 14, 2017 at 3:34 PM, Björn Helgason <gos...@gmail.com> > >> wrote: > >> > > - jd3 support added (see plot section for details) > >> > > > >> > > it is in jhs > >> > > > >> > > > >> > > > >> > > On 14 Jul 2017 19:24, "Rudolf Sykora" <rudolf.syk...@gmail.com> > wrote: > >> > > > >> > >> On 14 July 2017 at 20:55, Björn Helgason <gos...@gmail.com> wrote: > >> > >> > I am only guessing. > >> > >> > jd3 might help you. > >> > >> > >> > >> What is jd3? > >> > >> Can't find any mention of it. > >> > >> > >> > >> Thanks > >> > >> Ruda > >> > >> ------------------------------------------------------------ > >> ---------- > >> > >> For information about J forums see http://www.jsoftware.com/ > >> forums.htm > >> > > ------------------------------------------------------------ > ---------- > >> > > For information about J forums see http://www.jsoftware.com/forum > s.htm > >> > ------------------------------------------------------------ > ---------- > >> > For information about J forums see http://www.jsoftware.com/forum > s.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 > -- Devon McCormick, CFA Quantitative Consultant ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
