[Jprogramming] Rearranging rows of tables

Linda A Alvord lindaalvord at verizon.net
Mon Jun 27 01:20:29 UTC 2016


I guess I should explain better.  If column 1 is a birth year, and column 3 is a death year. I want to rearrange the rows from smallest to largest (or maybe someday from largest to smallest).  Column 2 would be person's name.a

Let me know if this still isn't clear.  Linda

-----Original Message-----
From: Programming [mailto:programming-bounces at forums.jsoftware.com] On Behalf Of Raul Miller
Sent: Sunday, June 26, 2016 9:04 PM
To: Programming forum
Subject: Re: [Jprogramming] Rearranging rows of tables

s

p

o

i

l

e

r


s

p

a

c

e

.

.

.

.

.

.

.

.

.

.

f=: [ /: <:@] {"1 [

Or, if you prefer:

f=: dyad def 'x /: (y-1) { |:x'

Thanks,

-- 
Raul


On Sun, Jun 26, 2016 at 8:50 PM, Linda A Alvord <lindaalvord at verizon.net> wrote:
> Design a function f, so D f 3 will arrange the rows in order from small to
> large values in column 3 andD f 1 will do the same for column 1.
>
>
>
>
>
> A=:(<30),(<'CAT'),<11
>
> B=:(<18),(<'GOAT'),<10
>
> C=:(<27),(<'BAT'),<9
>
> [D=:A,B,:C
>
> ---T----T--┐
>
> │30│CAT │11│
>
> +--+----+--+
>
> │18│GOAT│10│
>
> +--+----+--+
>
> │27│BAT │9 │
>
> L--+----+---
>
>
>
> If you prefer 3 f D and 1 f D,  that's OK.  Thanks, Linda
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm



More information about the Programming mailing list