importFrom("igraph", "E", "E<-", "V", "V<-", "as_adjacency_matrix",

importFrom("grDevices", "colorRampPalette", "rgb", "terrain.colors", "col2rgb", "gray")
importFrom("graphics", "abline", "box", "hist", "legend", "lines",
"pairs", "par", "points", "strwidth", "text",
"plot.new", "plot.window", "polygon", "strheight", "barplot")
importFrom("stats", "cor", "dexp", "dgamma", "dnorm", "dt",
"integrate", "ks.test", "optim", "optimize", "pbinom",
"pchisq", "pexp", "pgamma", "pnorm", "pt", "qexp", "qgamma",
"qnorm", "qt", "runif", "uniroot", "var", "complete.cases")
importFrom("utils", "combn", "getFromNamespace", "modifyList", "data")

"qnorm", "qt", "runif", "uniroot", "var", "complete.cases", "rbinom")

importFrom("stats", "cor", "dexp", "dgamma", "dnorm", "dt", "sd",

importFrom("stats", "cor", "dexp", "dgamma", "dnorm", "dt", "sd", "approx",

importFrom("utils", "combn", "getFromNamespace", "modifyList", "data", "tail")

exportPattern("^[[:alpha:]]+")
importFrom("grDevices", "col2rgb", "dev.flush", "dev.hold", "rainbow", "rgb")
importFrom("graphics", "legend", "par", "plot", "segments", "text")
import(aplpack)

importFrom("graphics", "abline", "axis", "image", "layout", "matplot",

importFrom("graphics", "abline", "barplot", "boxplot", "contour",
"hist", "legend", "lines", "par", "plot", "points")
importFrom("stats", "cor", "dgamma", "dnorm", "median", "optim",
"optimize", "pgamma", "pnorm", "qgamma", "qnorm", "rnorm",

export(warn, warnCI, warnProb, warnOptim, lerna)
importFrom("graphics", "arrows", "contour", "image", "legend", "lines",
importFrom("stats", "density", "dnorm", "integrate", "optim", "rnorm",

export(WCE, summary.WCE, coef.WCE, vcov.WCE, HR.WCE, checkWCE, knotsWCE)
importFrom(graphics, legend, lines, matplot, plot, points, title)
importFrom(stats, as.formula, binomial, glm, logLik, na.omit, pnorm, quantile, vcov)

export(WCE, knots.WCE, summary.WCE, coef.WCE, vcov.WCE, checkWCE, HR.WCE)

importFrom("stats", "glm", "lm", "model.frame", "model.matrix",
"printCoefmat", "qnorm", "rbinom", "runif", "stepfun",