Invalid MIT-MAGIC-COOKIE-1 key.checksd.plot: no visible global function definition for ‘residuals’
.ci.plot : f: no visible global function definition for ‘segments’
.ddbeta: no visible global function definition for ‘dbeta’
.level.plot: no visible global function definition for ‘quantile’
.mat.plot: no visible global function definition for ‘layout’
.mat.plot: no visible global function definition for ‘par’
.mat.plot: no visible global function definition for ‘plot.new’
.mat.plot: no visible global function definition for ‘matplot’
.mat.plot: no visible global function definition for ‘axis’
.obsfit.mat.plot: no visible global function definition for ‘layout’
.obsfit.mat.plot: no visible global function definition for ‘par’
.obsfit.mat.plot: no visible global function definition for ‘plot.new’
.obsfit.mat.plot: no visible global function definition for ‘matplot’
.obsfit.mat.plot: no visible global function definition for ‘axis’
.persp.plot: no visible global function definition for ‘par’
.persp.plot: no visible global function definition for ‘persp’
.persp.plot: no visible global function definition for ‘trans3d’
.persp.plot: no visible global function definition for ‘points’
.residuals.density.plot: no visible global function definition for
  ‘plot’
.residuals.density.plot: no visible global function definition for
  ‘density’
.residuals.level.plot: no visible global function definition for
  ‘residuals’
.residuals.level.plot: no visible global function definition for ‘par’
.residuals.mat.plot: no visible global function definition for ‘par’
.residuals.mat.plot: no visible global function definition for
  ‘residuals’
.residuals.mat.plot: no visible global function definition for ‘abline’
.residuals.mat.plot: no visible global function definition for ‘qnorm’
.residuals.persp.plot: no visible global function definition for ‘par’
.residuals.persp.plot: no visible global function definition for
  ‘residuals’
.residualsVsFitted.mat.plot: no visible global function definition for
  ‘residuals’
.residualsVsFitted.mat.plot: no visible global function definition for
  ‘layout’
.residualsVsFitted.mat.plot: no visible global function definition for
  ‘par’
.residualsVsFitted.mat.plot: no visible global function definition for
  ‘matplot’
.residualsVsFitted.mat.plot: no visible global function definition for
  ‘axis’
.residualsVsFitted.mat.plot: no visible global function definition for
  ‘abline’
.residualsVsFitted.mat.plot: no visible global function definition for
  ‘qnorm’
.residualsVsFitted.persp.plot: no visible global function definition
  for ‘residuals’
dbkGrad: no visible global function definition for ‘qnorm’
plot.dbkGrad: no visible global function definition for ‘par’
Undefined global functions or variables:
  abline axis dbeta density layout matplot par persp plot plot.new
  points qnorm quantile residuals segments trans3d
Consider adding
  importFrom("grDevices", "trans3d")
  importFrom("graphics", "abline", "axis", "layout", "matplot", "par",
             "persp", "plot", "plot.new", "points", "segments")
  importFrom("stats", "dbeta", "density", "qnorm", "quantile",
             "residuals")
to your NAMESPACE file.