ribbon


The typwriter ribbon data used in the paper by Agresti (1992), where 5
different typewriter ribbon brands were compared pairwise by 30 secretaries.


datasets

This package extends the Bradley-Terry-Luce model for fitting pair
comparison models with an ordinal response. It is also possible to
incorporate an order effect, or, equivalently, an effect for the home
advantage.

Giuseppe Casalicchio

ordBTL

Modelling comparison data with ordinal response

ribbon function

A data frame with columns:
<ul>
<li> <code>V1</code> absolute frequency reflecting strong preference for corresponding <code>obj1</code>
  </li>
<li> <code>V2</code> absolute frequency reflecting moderate preference for corresponding <code>obj1</code>
  </li>
<li> <code>V3</code> absolute frequency reflecting weak preference for corresponding <code>obj1</code>
  </li>
<li> <code>V4</code> absolute frequency reflecting no preference
  </li>
<li> <code>V5</code> absolute frequency reflecting weak preference for corresponding <code>obj2</code>
  </li>
<li> <code>V6</code> absolute frequency reflecting moderate preference for corresponding <code>obj2</code>
  </li>
<li> <code>V7</code> absolute frequency reflecting strong preference for corresponding <code>obj2</code>
  </li>
<li> <code>obj1</code> integer 1, ..., 5 referring to the 5 ribbon brands
  </li>
<li> <code>obj2</code> integer 1, ..., 5 referring to the 5 ribbon brands
</li>
</ul>

Format

Agresti A (1992). "Analysis of ordinal paired comparison data."
Applied Statistics, pp. 287-297. Table 1.

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ribbon: Typewriter Ribbon Data

Description

Usage

Arguments

Format

Source

References