Invalid MIT-MAGIC-COOKIE-1 keyICAspat: no visible global function definition for ‘rnorm’
ICAtemp: no visible global function definition for ‘rnorm’
N2G.Class.Probability: no visible global function definition for
  ‘dnorm’
N2G.Class.Probability: no visible global function definition for
  ‘dgamma’
N2G.Density: no visible global function definition for ‘dnorm’
N2G.Density: no visible global function definition for ‘dgamma’
N2G.Fit: no visible global function definition for ‘optim’
N2G.Likelihood.Ratio: no visible global function definition for
  ‘dgamma’
N2G.Likelihood.Ratio: no visible global function definition for ‘dnorm’
N2G.Region : f1: no visible global function definition for ‘dnorm’
N2G.Region : f1: no visible global function definition for ‘dgamma’
N2G.Region : f2: no visible global function definition for ‘dnorm’
N2G.Region : f2: no visible global function definition for ‘dgamma’
N2G.Region: no visible global function definition for ‘optim’
N2G.Spatial.Mixture: no visible global function definition for ‘optim’
Sim.3D.GammaRF: no visible global function definition for ‘qgamma’
Sim.3D.GammaRF: no visible global function definition for ‘pnorm’
Threshold.Bonferroni: no visible global function definition for ‘qnorm’
Threshold.Bonferroni: no visible global function definition for ‘qt’
Threshold.Bonferroni: no visible global function definition for ‘qf’
Threshold.FDR: no visible global function definition for ‘pnorm’
Threshold.FDR: no visible global function definition for ‘pt’
Threshold.FDR: no visible global function definition for ‘pf’
Threshold.FDR: no visible global function definition for ‘qnorm’
Threshold.FDR: no visible global function definition for ‘qt’
Threshold.FDR: no visible global function definition for ‘qf’
Threshold.RF: no visible global function definition for ‘optimize’
eigenvalues: no visible global function definition for ‘par’
eigenvalues: no visible global function definition for ‘plot’
eigenvalues: no visible global function definition for ‘abline’
f.ica.fmri: no visible global function definition for ‘rnorm’
f.icast.fmri: no visible global function definition for ‘write.table’
f.icast.fmri: no visible global function definition for ‘dev.off’
f.plot.ica.fmri: no visible global function definition for
  ‘heat.colors’
f.plot.ica.fmri: no visible global function definition for ‘par’
f.plot.ica.fmri: no visible global function definition for ‘plot’
f.plot.ica.fmri: no visible global function definition for ‘text’
f.plot.ica.fmri: no visible global function definition for ‘image’
f.plot.ica.fmri: no visible global function definition for ‘box’
f.plot.ica.fmri: no visible global function definition for ‘fft’
f.plot.ica.fmri.jpg: no visible global function definition for
  ‘heat.colors’
f.plot.ica.fmri.jpg: no visible global function definition for ‘jpeg’
f.plot.ica.fmri.jpg: no visible global function definition for
  ‘dev.off’
f.spectral.summary: no visible global function definition for ‘fft’
f.spectral.summary: no visible global function definition for ‘median’
f.spectral.summary: no visible binding for global variable ‘quantile’
f.spectral.summary: no visible global function definition for ‘plot’
f.spectral.summary: no visible global function definition for ‘axis’
f.spectral.summary: no visible global function definition for ‘points’
f.spectral.summary.nifti: no visible global function definition for
  ‘fft’
f.spectral.summary.nifti: no visible global function definition for
  ‘median’
f.spectral.summary.nifti: no visible binding for global variable
  ‘quantile’
f.spectral.summary.nifti: no visible global function definition for
  ‘plot’
f.spectral.summary.nifti: no visible global function definition for
  ‘axis’
f.spectral.summary.nifti: no visible global function definition for
  ‘points’
model.2.est.gamma: no visible global function definition for ‘optimize’
reduction: no visible binding for global variable ‘sd’
threeDto4D: no visible global function definition for ‘glob2rx’
Undefined global functions or variables:
  abline axis box dev.off dgamma dnorm fft glob2rx heat.colors image
  jpeg median optim optimize par pf plot pnorm points pt qf qgamma
  qnorm qt quantile rnorm sd text write.table
Consider adding
  importFrom("grDevices", "dev.off", "heat.colors", "jpeg")
  importFrom("graphics", "abline", "axis", "box", "image", "par", "plot",
             "points", "text")
  importFrom("stats", "dgamma", "dnorm", "fft", "median", "optim",
             "optimize", "pf", "pnorm", "pt", "qf", "qgamma", "qnorm",
             "qt", "quantile", "rnorm", "sd")
  importFrom("utils", "glob2rx", "write.table")
to your NAMESPACE file.