Yes I'm counting from 0. Note that I didn't say the 1st or 3rd item. Item 1 comes after Item 0 and before Item 2.
On Wed, Feb 29, 2012 at 9:47 PM, Linda Alvord <lindaalv...@verizon.net> wrote: > Are you counting from 0 ? That looks like the 4th row to me. > > Linda > > -----Original Message----- > From: programming-boun...@jsoftware.com > [mailto:programming-boun...@jsoftware.com] On Behalf Of PackRat > Sent: Tuesday, February 28, 2012 11:50 PM > To: Programming forum > Subject: [Jprogramming] Amend situation how-to? > > I have a table "b" (example below) which is the transpose of table "a" > which is read in from a file. Here's what table b looks like, just so > you have an idea of what's where: > > +--------+-----------+--------+--------+-----------+... > |F |CAT |DE |CSX |XOM |... > +--------+-----------+--------+--------+-----------+... > |Ford |Caterpillar|Deere |CSX |Exxon Mobil|... > +--------+-----------+--------+--------+-----------+... > |3710 |665 |410 |890 |4000 |... > +--------+-----------+--------+--------+-----------+... > |19560307|19291202 |19330609|19801103|19991201 |... > +--------+-----------+--------+--------+-----------+... > |0 |0 |0 |0 |0 |... > +--------+-----------+--------+--------+-----------+... > |0 |0 |0 |0 |0 |... > +--------+-----------+--------+--------+-----------+... > > The problem I'm having is with amending individual cells in both row 4 > and row 5 (the last two rows) of table b. (I've run into this problem > before, but I created lengthy workarounds which are not really J-ish. > I decided this time to ask the wisdom of the J community to finally > find out once and for all what the "right" way of doing this kind of > thing is.) > > I don't run into problems READING an individual cell, such as: > > stocksym=. toupper > (j { 0 { b) > > However, when I attempt to WRITE an amend into the jth (e.g., first) > cell of row 4 of table b, for example: > > b=. (< stocknum) j } (4 { b) > > table b is incorrectly changed (compared to my intent, that is) from > the table shown above to a list instead: > > +-+-+-+-+-+... > |6|0|0|0|0|... > +-+-+-+-+-+... > > Is there some "standard" way of making such amends within a table that > I seem to be missing somewhere along the line? Thanks for your help! > > > Harvey > > ---------------------------------------------------------------------- > 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
