nonspecificity {evclust}

Nonspecificity of the relational representation of a credal partition

Description

nonspecificity the average nonspecificity of a credal partition, as defined in Denoeux et al (2018).

Usage

nonspecificity(P)

Arguments

P

The relation representation of a credal partition as generated by pairwise_mass.

Value

The mean nonspecificity (i.e, the average nonspecificity of pairwise mass functions in P).

References

T. Denoeux, S. Li and S. Sriboonchitta. Evaluating and Comparing Soft Partitions: an Approach Based on Dempster-Shafer Theory. IEEE Transactions on Fuzzy Systems, 26(3):1231-1244, 2018.

See Also

credal_RI, pairwise_mass

Examples

## Butterfly data
data(butterfly)
clus<-kevclus(butterfly,c=2)
P<-pairwise_mass(clus)
print(nonspecificity(P))