A survey of 303 students was carried out to examine the students' preferences of 6 universities (London, Paris, Milano, St. Gallen, Barcelona and Stockholm) with a 17 items questionnaire.
The first 15 variables indicate the subjects' preferences.
For a given comparison the responses are coded as 0 if the first university was preferred, 2 if the second university was preferred and 1 if no decision was made.
ENG contains the knowledge of English and the variable
SEX contains the gender.
A data frame with 303 rows for the subjects containing the outcome of the 15 comparisons and the two covariates
London vs. Paris
London vs. Milano
Paris vs. Milano
London vs. St. Gallen
Paris vs. St. Gallen
Milano vs. St. Gallen
London vs. Barcelona
Paris vs. Barcelona
Milano vs. Barcelona
St. Gallen vs. Barcelona
London vs. Stockholm
Paris vs. Stockholm
Milano vs. Stockholm
St. Gallen vs. Stockholm
Barcelona vs. Stockholm
Knowledge of English: (1) good, (2) poor
Gender: (1) female, (2) male
Dittrich, R., Hatzinger, R., & Katzenbeisser, W. (1998). Modelling the effect of subject-specific covariates in paired comparison studies with an application to university rankings. Applied Statistics, 47(4), 511–525.
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