.ldots.set: no visible global function definition for ‘getS3method’
grf: no visible global function definition for ‘chull’
image.grf: no visible global function definition for ‘heat.colors’
image.krige.bayes: no visible global function definition for
  ‘heat.colors’
legend.krige: no visible global function definition for ‘heat.colors’
points.geodata: no visible global function definition for
  ‘terrain.colors’
points.geodata: no visible global function definition for ‘gray’
read.geodata: no visible global function definition for ‘read.table’
Undefined global functions or variables:
  chull getS3method gray heat.colors read.table terrain.colors
Consider adding
  importFrom("grDevices", "chull", "gray", "heat.colors",
             "terrain.colors")
  importFrom("utils", "getS3method", "read.table")
to your NAMESPACE file.

Found the following assignments to the global environment:
File ‘geoR/R/auxiliar.R’:
  assign(".objfuncQQ", objfunc, pos = 1)
  assign(".bounds.list", .bounds.list, pos = 1)
  assign("madtonormalQQ", madtonormalQQ, pos = 1)
File ‘geoR/R/likGRF.R’:
  assign(".likGRF.dists.vec", lapply(split(as.data.frame(coords), 
    realisations), vecdist), pos = 1)
  assign(".likGRF.dists.vec", lapply(split(as.data.frame(coords), 
    realisations), vecdist), pos = 1)
  assign(".likGRF.dists.vec", lapply(split(as.data.frame(coords.c), 
    temp.list$realisations), vecdist), pos = 1)
  assign(".temp.lower.lambda", -2, pos = 1)
  assign(".temp.upper.lambda", 2, pos = 1)
File ‘geoR/R/profiles.R’:
  assign(".temp.list", list(n = n, z = data, beta.size = dim(trend)[2], 
    kappa = obj.likfit$kappa, xmat = trend, method.lik = obj.likfit$method.lik, 
    dists.lowertri = dists.vec, cov.model = obj.likfit$cov.model, 
    fix.lambda = obj.likfit$transform.info$fix.lambda, lambda = obj.likfit$lambda, 
    lower.phi = lower.phi, upper.phi = upper.phi, lower.sigmasq = lower.sigmasq, 
    phi.est = phi, tausq.rel.est = tausq.rel, tausq.est = tausq, 
    sigmasq.est = sigmasq), pos = 1)
  assign(".temp.temp.list", get(".temp.list", pos = 1), pos = 1)
  assign(".temp.list", .temp.temp.list, pos = 1)
  assign(".temp.lambda", lambda, pos = 1)
  assign(".temp.lambda", lambda, pos = 1)
File ‘geoR/R/simul.R’:
  assign("setRF", geoR2RF(cov.model = cov.model, cov.pars = cov.pars, 
    nugget = nugget, kappa = kappa, aniso.pars = aniso.pars), 
    pos = 1)
File ‘geoR/R/variofit.R’:
  assign(".temp.theta", NULL, pos = 1)
  assign(".temp.theta", theta, pos = 1)
  assign(".IND.geoR.variog.model.env", TRUE, pos = 1)
File ‘geoR/R/variogram.R’:
  assign(".variog4.nomessage", TRUE, pos = 1)