exportPattern("^[^\\.]")
importFrom(MASS, kde2d)
importFrom("grDevices", "gray")
importFrom("graphics", "abline", "axis", "axis.Date", "axis.POSIXct", "barplot",
           "box", "boxplot", "contour", "hist", "layout", "lcm", "legend",
           "lines", "mtext", "par", "plot", "points", "polygon", "segments",
           "strheight", "strwidth", "text", "title")
importFrom("stats", "acf", "density", "mahalanobis", "quantile", "rchisq",
           "rgamma", "rnorm", "sd")
importFrom("utils", "capture.output", "head", "tail")

S3method(ToString, default)
S3method(ToString, table)
