| tennis | R Documentation |
The data describes results from a paired comparison study where 68 male and 96 female students were asked whom they would prefer to interview. The potential interview partners were Bonnie Blair, Jackie Joyner, and Jennifer Capriati.
tennis
A data frame with 16 observations on the following 5 variables.
ncounts of response pattern (C1, C2, C3)
C1Blair vs. Joyner: (1) Blair preferred, (-1) Joyner preferred
C2Blair vs. Capriati: (1) Blair preferred, (-1) Capriati preferred)
C3Joyner vs. Capriati: (1) Joyner preferred, (-1) Capriati preferred)
SEXa numeric vector: (1) male, (2) female
Böckenholt, U., & Dillon, W. R., (1997). Modeling within-subject dependencies in ordinal paired comparison data. Psychometrika, 62(3), 411–434.
tdat <- expand.mat(tennis[, -1], tennis[, 1])
head(tdat)
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