christmas {dualScale}

Christmas party plans

Description

As a course assignment for Nishisato's class, Ian Wiggins, a student, collected paired comparison data from 14 researchers at a research institute on his eight Christmas party plans.

Usage

christmas

Format

A subset of the original data set of 14 subjects on 15 pairs of 6 plans:

plan1

A pub/restaurant crawl after work

plan2

A reasonably priced lunch in an area restaurant

plan3

Keep to one's self

plan4

An evening banquet at a restaurant

plan5

A pot-luck at someone's home after work

plan6

A ritzy lunch at a good restaurant (tablecloths)

Details

The data were originally collected from 14 participants by 28 pairs of plans with elements 1 for the choice of the first plan and 2 for the choice of the second plan. For computations, 2 is converted to -1.

Source

Nishisato, S. and Nishisato, I.(1994). Dual Scaling in a Nutshell. Toronto: MicroStats.

References

Nishisato, S. (2022). Optimal Quantification and Symmetry. Behaviormetrika, 12, 137.