import(arules)
importFrom(graphics, par, plot, mtext, text, axis)
importFrom(stats, median, kmeans)
importFrom(grDevices, hcl, rgb, gray.colors, gray)
importFrom(methods, is, as, new)
importFrom(utils, head, installed.packages)
import(grid) ### need to use as depends in DESCRIPTION because of vcd
#import(igraph) ### we use now igraph::
importFrom(seriation, seriate, ser_permutation, set_seriation_method, 
  permute, get_order)
importFrom(scatterplot3d, scatterplot3d)
importFrom(vcd, mosaic, doubledecker)


export(abbreviate, saveAsGraph)

S3method(plot, rules)
S3method(plot, itemsets)
S3method(plot, grouped_matrix)
S3method(abbreviate, default)
S3method(abbreviate, transactions)
S3method(abbreviate, rules)
S3method(abbreviate, itemsets)

