If you are working with larger arrays then you will find the following faster and leaner:
_".>boxed 5928.6 5990 5938.9 5881 5870.1 5858.4 bigboxed=: 1e6 $ boxed timespacex '0". > bigboxed' 0.161143 4.29933e7 timespacex '_ ".&> bigboxed' 0.714034 2.06763e8 On Wed, Aug 24, 2011 at 11:16 AM, james wafula <[email protected]> wrote: > Hi, > I read the data from a csv file and selected the column I was interested in > via dyadic { . Dan's technique has worked. > Regards. > > > ________________________________ > From: Tracy Harms <[email protected]> > To: Programming forum <[email protected]> > Sent: Wednesday, August 24, 2011 1:50 AM > Subject: Re: [Jprogramming] Unboxing > > However, if you originally were working with numbers, converted those > numbers to text in the midst of boxing, yet actually has no need for a > textual representation, Dan's technique would not be as nice as removing the > unnecesary conversion to text. > > We do not have enough context to know whether that is the case. > > --T > On Aug 23, 2011 9:26 AM, "Raul Miller" <[email protected]> wrote: >> On Tue, Aug 23, 2011 at 9:07 AM, james wafula <[email protected]> wrote: >>> I am trying to make a list after unboxing but I am experiencing > challenges. Is there something I am not getting right? >>> >>> boxed >>> ┌───────┬───────┬───────┬───────┬───────┬───────┐ >>> │5928.60│5990.00│5938.90│5881.00│5870.10│5858.40│ >>> └───────┴───────┴───────┴───────┴───────┴───────┘ >>> >boxed >>> 5928.60 >>> 5990.00 >>> 5938.90 >>> 5881.00 >>> 5870.10 >>> 5858.40 >>> ,>boxed >>> 5928.605990.005938.905881.005870.105858.40 >>> >>> I need to obtain: >>> 5928.60 5990.00 5938.90 5881.00 5870.10 5858.40 >> >> This is not just unboxing. You need to know what you have in those boxes. >> >> $&.> will tell you the shape of the contents, for example. >> >> From the looks of things, however, your boxes contain sequences of >> characters and you want numbers. Thus, Dan Bron's suggestion is >> probably the right answer: >> >> The content of each box should be turned into a number. >> >> -- >> Raul >> ---------------------------------------------------------------------- >> 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
