citations {BradleyTerry2}R Documentation

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.

Source

Agresti, A. (2002) Categorical Data Analysis (2nd ed). New York: Wiley.

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


##  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)


[Package BradleyTerry2 version 1.1-2 Index]