fclust (version 1.0.1)

MPC: Modified partition coefficient

Description

Produces the modified partition coefficient index. The optimal number of cluster k is achieved when the index value is maximized.

Usage

MPC (U)

Arguments

U

Membership degree matrix

Value

• mpc
  Value of the modified partition coefficient index

References

Dave' R.N., 1996. Validating fuzzy partitions obtained through c-shells clustering. Pattern Recognition Letters, 17, 613-623.

See Also

PC, PE, SIL, SIL.F, XB, Fclust

Examples

data(Mc)
for (j in 2:(ncol(Mc)-1))
Mc[,j]=Mc[,j]/Mc[,1]
Mc=Mc[,-1]
clust=FKM(Mc[,1:(ncol(Mc)-1)],k=6,m=1.5,stand=1)
mpc=MPC(clust$U)