import(igraph, jointDiag, clue, pcalg, ggplot2)
importFrom(matrixcalc, is.singular.matrix)
importFrom(reshape2, melt)
importFrom("grDevices", "col2rgb", "rgb")
importFrom("stats", "cov", "rexp", "rnorm", "runif")
export(backShift, simulateInterventions, generateA, metricsThreshold, plotGraphEdgeAttr, plotInterventionVars, plotDiagonalization)