I think I was working with boxed strings—this was about five years ago, though, so my memory is a bit stale.
— Raul On Thursday, April 5, 2018, Henry Rich <[email protected]> wrote: > When the i.-family is applied to (floats with rank > 1), tolerantly, it > can slow down, especially if the first column has few different values. > Using !.0 can make that faster. > > If you have other examples of slow nub, I'd like to hear the details. > > Henry Rich > > On 4/5/2018 6:20 AM, Raul Miller wrote: > >> And, on that note, I have noticed ~. has sometimes been slow on >> moderately large datasets (1e7 < #) >> >> One tactic that might help for getting a small nub might be to sort >> and then look for where it changes. >> >> I hope this helps, >> >> > > --- > This email has been checked for viruses by AVG. > http://www.avg.com > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
