twTStats {CoCiteStats}R Documentation

Computes 3 two way table statistics.

Description

For two way tables based on co-citations we use three different test statistic, the Concordance, the Jaccard index and Hubert's Gamma.

Usage

twTStats(twT)

Arguments

twT A two way table, as produced by twowayTable.

Details

The Conordance is simply the n11 entry. The Jaccard index is the n11 entry divided by the sum of n11, n12, and n21. Hubert's Gamma is slightly more complicated.

Value

Concordance The concordance statistic.
Jaccard The Jaccard index.
Hubert Hubert's Gamma

Author(s)

R. Gentleman

References

Testing Gene Associations Using Co-citation, by B. Ding and R. Gentleman. Bioconductor Technical Report, 2004

See Also

paperLen, twowayTable

Examples

  tw1 = twowayTable("10", "101", FALSE)
  twTStats(tw1)


[Package CoCiteStats version 1.0.0 Index]