Integrated Rank Support (IRS)

Bernecky & Bezoff, SHARP APL, 1986.
Hui, Rank and Uniformity, APL95.

   data
1 7 4 5
2 0 6 6
9 3 5 8

   0 ⌷R 1 +data
1 2 9

   1 cells 0
0

   disp 1 cells data
┌→──────┬───────┬───────┐
│1 7 4 5│2 0 6 6│9 3 5 8│
└~─────→┴~─────→┴~─────→┘

   (1 cells 0) ⌷¨ (1 cells data)
1 2 9