exportPattern("^[[:alpha:]]+")
import(MASS, Matrix, igraph, tcltk)
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "plot", "title","mtext", "par")
  importFrom("stats", "contrasts")
  importFrom("utils", "combn", "write.table", "fix")
  importFrom("stats", "rbeta")
S3method(print, Boptbd) 
S3method(summary, Boptbd) 
S3method(print, summary.Boptbd)
S3method(Boptbd, default)
 
