import(methods)

import(bitops)

import(lpSolve)

import(Matrix)

exportClasses(closure, region, DAGstructure, DAG)

exportMethods(summary, show, alpha, "alpha<-", defining, hypotheses, shortlist, pvalue, implications, istwoway)

export(closed, pick, adjusted, pickFisher, pickSimes, curveFisher, curveSimes, pickMeinshausen, curveMeinshausen, regionpick, regionmethod, regionplot, regionplot2, construct, DAGmethod, DAGpick)
