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The popular American Psychological Association dataset (d_apa
) contains the results of the voting ballots of the 1980 presidential election. A total of
data(d_apa)
Object of S3 class c("top_ordering","matrix")
gathering a matrix of partial orderings with Rank_1
) to the least-liked (Rank_5
) in a given voting ballot.
Mollica, C. and Tardella, L. (2017). Bayesian Plackett-Luce mixture models for partially ranked data. Psychometrika, 82(2), pages 442--258, ISSN: 0033-3123, DOI: 10.1007/s11336-016-9530-0.
Diaconis, P. W. (1988). Group representations in probability and statistics. Lecture Notes-Monograph Series, pages 94--96.
Diaconis, P. W. (1987). Spectral analysis for ranked data. Technical Report 282, Dept of Statistics, Stanford University.
# NOT RUN {
data(d_apa)
head(d_apa)
## Subset of complete sequences
d_apa_compl=d_apa[rowSums(d_apa!=0)>=(ncol(d_apa)-1),]
head(d_apa_compl)
# }
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