Formula.coords: no visible global function definition for ‘terms’
Formula.coords: no visible global function definition for ‘model.frame’
Formula.coords: no visible global function definition for
  ‘is.empty.model’
Formula.coords: no visible global function definition for
  ‘model.matrix’
Formula.coords: no visible binding for global variable ‘contrasts’
Formula.matrix: no visible global function definition for
  ‘terms.formula’
Formula.matrix: no visible global function definition for ‘model.frame’
Formula.matrix: no visible binding for global variable ‘na.pass’
Formula.matrix: no visible global function definition for
  ‘is.empty.model’
Formula.matrix: no visible global function definition for
  ‘model.matrix’
Formula.matrix: no visible binding for global variable ‘contrasts’
Formula.matrix: no visible global function definition for
  ‘model.response’
MCMC.plot.obj: no visible global function definition for ‘par’
MCMC.plot.obj: no visible global function definition for ‘density’
MCMC.plot.obj: no visible global function definition for ‘acf’
MCMC.plot.obj: no visible global function definition for ‘pacf’
ObsGridLoc: no visible global function definition for ‘dist’
ObsGridLoc: no visible global function definition for ‘points’
ObsGridLoc: no visible global function definition for ‘legend’
as.forecast.object: no visible global function definition for ‘ts’
as.forecast.object: no visible binding for global variable ‘quantile’
confint.spT : FUN: no visible global function definition for ‘quantile’
initials.checking.gp: no visible global function definition for ‘lm’
initials.checking.gp: no visible global function definition for
  ‘model.matrix’
model.frame.spT: no visible global function definition for
  ‘model.frame’
model.frame.spT: no visible binding for global variable ‘na.pass’
plot.spT: no visible global function definition for ‘abline’
plot.spT: no visible global function definition for ‘title’
plot.spT: no visible global function definition for ‘par’
plot.spT: no visible global function definition for ‘qqnorm’
plot.spT: no visible global function definition for ‘qqline’
spGP.Gibbs: no visible global function definition for ‘dist’
spGP.Gibbs: no visible binding for global variable ‘median’
spGP.Gibbs: no visible global function definition for ‘median’
spGP.MCMC.Pred: no visible global function definition for ‘dist’
spGP.MCMC.Pred: no visible binding for global variable ‘median’
spGP.MCMC.Pred: no visible global function definition for ‘as.formula’
spGP.MCMC.Pred: no visible global function definition for ‘read.table’
spGP.forecast: no visible global function definition for ‘as.formula’
spGP.forecast: no visible global function definition for ‘dist’
spGP.forecast: no visible binding for global variable ‘median’
spGP.prediction: no visible global function definition for ‘dist’
spGP.prediction: no visible global function definition for ‘as.formula’
spT.MCMC.plot: no visible global function definition for ‘dev.new’
spT.MCMC.plot: no visible global function definition for ‘par’
spT.Summary.Stat: no visible binding for global variable ‘median’
spT.Summary.Stat: no visible binding for global variable ‘sd’
spT.check.locations: no visible global function definition for ‘dist’
spT.check.sites.inside: no visible global function definition for
  ‘dist’
spT.hit.false: no visible global function definition for ‘na.omit’
spT.pCOVER: no visible binding for global variable ‘quantile’
spT.pCOVER: no visible global function definition for ‘na.exclude’
spT.segment.plot: no visible global function definition for ‘na.omit’
spT.segment.plot: no visible global function definition for ‘segments’
terms.spT: no visible global function definition for ‘terms’
Undefined global functions or variables:
  abline acf as.formula contrasts density dev.new dist is.empty.model
  legend lm median model.frame model.matrix model.response na.exclude
  na.omit na.pass pacf par points qqline qqnorm quantile read.table sd
  segments terms terms.formula title ts
Consider adding
  importFrom("grDevices", "dev.new")
  importFrom("graphics", "abline", "legend", "par", "points", "segments",
             "title")
  importFrom("stats", "acf", "as.formula", "contrasts", "density",
             "dist", "is.empty.model", "lm", "median", "model.frame",
             "model.matrix", "model.response", "na.exclude", "na.omit",
             "na.pass", "pacf", "qqline", "qqnorm", "quantile", "sd",
             "terms", "terms.formula", "ts")
  importFrom("utils", "read.table")
to your NAMESPACE file.