weg@convx1.ccit.arizona.edu (Eythan Weg) (06/19/91)
I suggest a book which provides an algorithm: Peter Dunn Rankin: Scaling Methods LEA, 1983. I used it in implementing Guttman scale in APL. I don't recall that size was an issue, in programming. It's probably less so in Perl or C. Eythan