importFrom(graphics, par, plot, mtext, text, axis)
importFrom(grDevices, hcl, rgb, gray.colors, gray)

importFrom("graphics", "par", "plot", "mtext", "text", "axis", "box")
importFrom("stats", "median", "kmeans", "cutree", "dist", "hclust")
importFrom("grDevices", "hcl", "rgb", "gray.colors", "gray", "col2rgb")
import("grid") ### need to use as depends in DESCRIPTION because of vcd

importFrom("grDevices", "hcl", "rgb", "gray.colors", "gray", "col2rgb",

importFrom("stats", "median", "kmeans", "cutree", "dist", "hclust", "na.omit")

importFrom("stats", "median", "kmeans", "cutree", "dist", "hclust", "na.omit", "quantile")

importFrom("visNetwork", "visNetwork", "visIgraphLayout", "visOptions", "visNodes")

# dplyr has many NAMESPACE conflicts with arules so we use ::
#importFrom("visNetwork", "visNetwork", "visIgraphLayout", "visOptions", "visNodes")

# NOTE: dplyr has many NAMESPACE conflicts with arules so we use ::
importFrom("graphics", "par", "mtext", "text", "axis", "box")

# Otherwise we get:  object 'guide_edge_colourbar' of mode 'function' was not found
# Note: has also an alias in man page plot

importFrom(grDevices, col2rgb, dev.capabilities, dev.cur, dev.flush, dev.hold, dev.list, dev.new, dev.off, dev.set, graphics.off, gray, heat.colors, rainbow, rgb)
importFrom(graphics, abline, arrows, axis, barplot, box, curve, grid, hist, identify, image, layout, legend, lines, locator, mtext, par, persp, plot.new, points,
importFrom(stats, AIC, IQR, anova, chisq.test, coef,
complete.cases, cor, cor.test, cov, dbeta, dbinom, dchisq, density, dexp, df, dgamma, dgeom, dhyper, dist, dlnorm, dlogis, dnbinom, dnorm,
dpois, dt, dunif, dweibull, fitted, glm, integrate, ksmooth, lm, loess, lowess, mad, median, model.matrix, na.omit, nls, pbeta, pbinom, pchisq,
pexp, pf, pgamma, pgeom, phyper, plnorm, plogis, pnbinom, pnorm, ppois, predict, pt, ptukey, punif, pweibull, qbeta, qbinom, qchisq, qf, qnorm, qqnorm,
qsignrank, qt, qtukey, quantile, qweibull, rbinom, rchisq, resid, rexp, rnorm, rt, runif, sd, smooth.spline, t.test, terms, uniroot, var, xtabs)
importFrom(utils, compareVersion, head, write.table, stack, tail)