BradleyTerry2 (version 1.1-2)

citations: Statistics Journal Citation Data from Stigler (1994)

Description

Extracted from a larger table in Stigler (1994). Inter-journal citation counts for four journals, “Biometrika”, “Comm Statist.”, “JASA” and “JRSS-B”, as used on p448 of Agresti (2002).

Usage

citations

Format

A 4 by 4 contingency table of citations, cross-classified by the factors cited and citing each with levels Biometrika, Comm Statist, JASA, and JRSS-B.

Details

In the context of paired comparisons, the ‘winner’ is the cited journal and the ‘loser’ is the one doing the citing.

References

Firth, D. (2005) Bradley-Terry models in R. Journal of Statistical Software 12(1), 1--12.

Turner, H. and Firth, D. (2012) Bradley-Terry models in R: The BradleyTerry2 package. Journal of Statistical Software, 48(9), 1--21.

Stigler, S. (1994) Citation patterns in the journals of statistics and probability. Statistical Science 9, 94--108.

See Also

BTm()

Examples

# NOT RUN {
##  Data as a square table, as in Agresti p448
citations

##
## Convert frequencies to success/failure data:
##
citations.sf <- countsToBinomial(citations)
names(citations.sf)[1:2] <- c("journal1", "journal2")

## Standard Bradley-Terry model fitted to these data
citeModel <-  BTm(cbind(win1, win2), journal1, journal2,
                  data = citations.sf)

# }