GKhat.env: no visible global function definition for 'Gest'
GKhat.env: no visible global function definition for 'rpoispp'
GKhat.env: no visible global function definition for 'Kest'
GKhat.env: no visible global function definition for 'runifpoint'
GKhat.env: no visible global function definition for 'matplot'
GKhat.env: no visible global function definition for 'legend'
Okriging: no visible global function definition for 'point'
Okriging: no visible global function definition for 'krige'
cdf.plot: no visible global function definition for 'plot'
cdf.plot: no visible global function definition for 'sd'
cdf.plot: no visible global function definition for 'pnorm'
cdf.plot: no visible global function definition for 'lines'
cdf.plot.gof: no visible global function definition for 'plot'
cdf.plot.gof: no visible global function definition for 'pnorm'
cdf.plot.gof: no visible global function definition for 'pexp'
cdf.plot.gof: no visible global function definition for 'punif'
cdf.plot.gof: no visible global function definition for 'pweibull'
cdf.plot.gof: no visible global function definition for 'lines'
cdf.plot.gof: no visible global function definition for 'legend'
cdf.plot.gof: no visible global function definition for 'abline'
chisq.gof.norm: no visible global function definition for 'pnorm'
chisq.gof.norm: no visible global function definition for 'pchisq'
conf.int.lm: no visible global function definition for 'var'
conf.int.lm: no visible global function definition for 'qt'
conf.int.lm: no visible global function definition for 'plot'
conf.int.lm: no visible global function definition for 'abline'
conf.int.lm: no visible global function definition for 'lines'
conf.int.lm: no visible global function definition for 'identify'
eda6: no visible global function definition for 'plot'
eda6: no visible global function definition for 'boxplot'
eda6: no visible global function definition for 'title'
eda6: no visible global function definition for 'hist'
eda6: no visible global function definition for 'density'
eda6: no visible global function definition for 'qqPlot'
eda6: no visible global function definition for 'var'
eda6: no visible global function definition for 'ecdf'
eda6: no visible global function definition for 'lines'
eda6: no visible global function definition for 'pnorm'
invent.mxn: no visible global function definition for 'rnorm'
lda2: no visible global function definition for 'var'
lda2: no visible global function definition for 'plot'
lda2: no visible global function definition for 'rnorm'
lda2: no visible global function definition for 'points'
lda2: no visible global function definition for 'abline'
lda2: no visible global function definition for 'hist'
lda2: no visible global function definition for 'pf'
makeppp: no visible global function definition for 'ppp'
model.semivar.cov: no visible global function definition for 'par'
model.semivar.cov: no visible global function definition for 'plot'
model.semivar.cov: no visible global function definition for 'points'
model.semivar.cov: no visible global function definition for 'lines'
nnGK.ppp: no visible global function definition for 'Gest'
nnGK.ppp: no visible global function definition for 'Kest'
nnGK.ppp: no visible global function definition for 'split.screen'
nnGK.ppp: no visible global function definition for 'screen'
nnGK.ppp: no visible global function definition for 'par'
nnGK.ppp: no visible global function definition for 'plot'
nnGK.ppp: no visible global function definition for 'lines'
nnGK.ppp: no visible global function definition for 'legend'
nnGKenv.ppp: no visible global function definition for 'Gest'
nnGKenv.ppp: no visible global function definition for 'Kest'
panel2: no visible global function definition for 'layout'
panel2: no visible global function definition for 'par'
panel3: no visible global function definition for 'layout'
panel3: no visible global function definition for 'par'
panel4: no visible global function definition for 'layout'
panel4: no visible global function definition for 'par'
panel6: no visible global function definition for 'layout'
panel6: no visible global function definition for 'par'
plotkriged: no visible global function definition for 'point'
plotkriged: no visible global function definition for 'pdf'
plotkriged: no visible global function definition for 'par'
plotkriged: no visible global function definition for 'plot'
plotkriged: no visible global function definition for 'image'
plotkriged: no visible global function definition for 'grey'
plotkriged: no visible global function definition for 'contour'
plotkriged: no visible global function definition for 'points'
plotkriged: no visible global function definition for 'title'
plotkriged: no visible global function definition for 'lines'
plotkriged: no visible global function definition for 'dev.off'
poisson.rain: no visible global function definition for 'rpois'
poisson.rain: no visible global function definition for 'rexp'
poisson.rain: no visible global function definition for 'rweibull'
poisson.rain: no visible global function definition for 'plot'
poisson.rain: no visible global function definition for 'hist'
quad.chisq.ppp: no visible global function definition for 'ppp'
quad.chisq.ppp: no visible global function definition for 'pchisq'
quad.chisq.ppp: no visible global function definition for 'par'
quad.chisq.ppp: no visible global function definition for 'plot'
quad.chisq.ppp: no visible global function definition for 'abline'
quad.chisq.ppp: no visible global function definition for 'title'
quad.chisq.ppp: no visible global function definition for 'image'
quad.chisq.ppp: no visible global function definition for 'gray'
quad.chisq.ppp: no visible global function definition for 'ecdf'
quad.chisq.ppp: no visible global function definition for 'lines'
quad.poisson.ppp: no visible global function definition for 'ppp'
quad.poisson.ppp: no visible global function definition for 'dpois'
quad.poisson.ppp: no visible global function definition for 'pchisq'
quad.poisson.ppp: no visible global function definition for 'par'
quad.poisson.ppp: no visible global function definition for 'plot'
quad.poisson.ppp: no visible global function definition for 'abline'
quad.poisson.ppp: no visible global function definition for 'title'
quad.poisson.ppp: no visible global function definition for 'image'
quad.poisson.ppp: no visible global function definition for 'gray'
quad.poisson.ppp: no visible global function definition for 'barplot'
quad.poisson.ppp: no visible global function definition for 'ecdf'
quad.poisson.ppp: no visible global function definition for 'points'
quad.poisson.ppp: no visible global function definition for 'ppois'
scan.geoeas.ppp: no visible global function definition for 'read.table'
scan.map.ras: no visible global function definition for 'image'
scan.map.ras: no visible global function definition for 'grey'
scan.map.ras: no visible global function definition for 'contour'
scan.map.ras: no visible global function definition for 'mtext'
semimarkov: no visible global function definition for 'runif'
semimarkov: no visible global function definition for 'rgamma'
semimarkov.rain: no visible global function definition for 'runif'
semimarkov.rain: no visible global function definition for 'rgamma'
vario: no visible global function definition for 'point'
vario: no visible global function definition for 'pair'
vario: no visible global function definition for 'est.variogram'
vario: no visible global function definition for 'par'
vario: no visible global function definition for 'plot.point'
vario: no visible global function definition for 'title'
vario: no visible global function definition for 'mtext'
vario: no visible global function definition for 'plot'
vario: no visible global function definition for 'spacecloud'
vario: no visible global function definition for 'spacebox'
Undefined global functions or variables:
  Gest Kest abline barplot boxplot contour density dev.off dpois ecdf
  est.variogram gray grey hist identify image krige layout legend lines
  matplot mtext pair par pchisq pdf pexp pf plot plot.point pnorm point
  points ppois ppp punif pweibull qqPlot qt read.table rexp rgamma
  rnorm rpois rpoispp runif runifpoint rweibull screen sd spacebox
  spacecloud split.screen title var
Consider adding
  importFrom("grDevices", "dev.off", "gray", "grey", "pdf")
  importFrom("graphics", "abline", "barplot", "boxplot", "contour",
             "hist", "identify", "image", "layout", "legend", "lines",
             "matplot", "mtext", "par", "plot", "points", "screen",
             "split.screen", "title")
  importFrom("stats", "density", "dpois", "ecdf", "pchisq", "pexp", "pf",
             "pnorm", "ppois", "punif", "pweibull", "qt", "rexp",
             "rgamma", "rnorm", "rpois", "runif", "rweibull", "sd",
             "var")
  importFrom("utils", "read.table")
to your NAMESPACE file.