Found an obsolete/platform-specific call in the following functions:
  'spatial.AD' 'spatial.HZ'
Found the platform-specific device:
  'quartz'
dev.new() is the preferred way to open a new device, in the unlikely
event one is needed.
Cline.fit: no visible global function definition for 'aggregate'
Cline.fit: no visible global function definition for 'na.omit'
Cline.fit: no visible global function definition for 'mahalanobis'
Cline.fit: no visible global function definition for 'cov'
Cline.fit: no visible global function definition for 'pchisq'
Cline.plot : Beta.p: no visible global function definition for 'pbeta'
Cline.plot: no visible global function definition for 'par'
Cline.plot: no visible global function definition for 'plot'
Cline.plot: no visible global function definition for 'lines'
Cline.plot: no visible global function definition for 'qchisq'
HIest : HIproposal: no visible global function definition for
  'rmultinom'
HIest: no visible global function definition for 'optim'
HIest: no visible global function definition for 'runif'
gcline.fn: no visible global function definition for 'glm'
gcline.fn: no visible global function definition for 'logLik'
gcline.fn: no visible global function definition for 'multinom'
gcline.fn : LL.fn: no visible global function definition for 'dbinom'
gcline.fn : GR: no visible global function definition for 'rlnorm'
gcline.fn : GR: no visible global function definition for 'rnorm'
gcline.fn : LL.fn: no visible global function definition for 'pbeta'
gcline.fn: no visible global function definition for 'optim'
gcline.fn: no visible global function definition for 'runif'
longX2: no visible global function definition for 'pchisq'
spatial.AD : rbnorm: no visible global function definition for 'rnorm'
spatial.AD: no visible global function definition for 'dist'
spatial.AD: no visible global function definition for 'dnorm'
spatial.AD: no visible global function definition for 'rpois'
spatial.AD: no visible global function definition for 'runif'
spatial.AD: no visible global function definition for 'rbinom'
spatial.AD: no visible global function definition for 'quartz'
spatial.AD: no visible global function definition for 'plot'
spatial.HZ : rbnorm: no visible global function definition for 'rnorm'
spatial.HZ: no visible global function definition for 'dist'
spatial.HZ: no visible global function definition for 'dnorm'
spatial.HZ: no visible global function definition for 'rpois'
spatial.HZ: no visible global function definition for 'rbinom'
spatial.HZ: no visible global function definition for 'quartz'
spatial.HZ: no visible global function definition for 'plot'
threeway : GR: no visible global function definition for 'rmultinom'
threeway: no visible global function definition for 'runif'
threeway: no visible global function definition for 'optim'
Undefined global functions or variables:
  aggregate cov dbinom dist dnorm glm lines logLik mahalanobis multinom
  na.omit optim par pbeta pchisq plot qchisq quartz rbinom rlnorm
  rmultinom rnorm rpois runif
Consider adding
  importFrom("grDevices", "quartz")
  importFrom("graphics", "lines", "par", "plot")
  importFrom("stats", "aggregate", "cov", "dbinom", "dist", "dnorm",
             "glm", "logLik", "mahalanobis", "na.omit", "optim", "pbeta",
             "pchisq", "qchisq", "rbinom", "rlnorm", "rmultinom",
             "rnorm", "rpois", "runif")
to your NAMESPACE file.