exportPattern("^[[:alpha:]]+")

#importFrom(agricolae,kruskal)
importFrom(locfit,locfit,lp)
#importFrom(Imap,imap)
#importFrom(Imap,select.pts)
importFrom("grDevices", "colorRampPalette", "dev.off", "grey", "pdf",
           "rgb", "topo.colors")
importFrom("graphics", "axis", "layout", "par","plot" ,"plot.new",
           "points", "polygon", "title")
importFrom("stats", "approx", "cor", "loess", "median", "na.omit",
           "optimize", "resid", "runmed", "sd", "smooth.spline", "stl",
           "ts")
importFrom("utils", "data", "install.packages", "installed.packages",
           "old.packages", "packageVersion", "read.csv",
           "setTxtProgressBar", "txtProgressBar")
import(methods,ggplot2,
       GCD,rgdal,lattice,raster)

S3method(plot,pfCircular)
S3method(plot,pfKruskal)
S3method(plot,pfGridding)
S3method(plot,CHAR)
S3method(plot,pfSiteSel)
S3method(plot,pfComposite)
S3method(plot,pfCompositeLF)
S3method(contrib,pfCompositeLF)
S3method(plot,contiguous)
S3method(summary,pfSiteSel)
S3method(plot,kdffreq)
S3method(plot,potveg)
S3method(rbind,pfAddData)


 
 