VCOV.ClassicMM: no visible global function definition for 'cov'
VCOV.ClassicS: no visible global function definition for 'cov'
VCOV.ClassicTau: no visible global function definition for 'cov'
VCOV.CompositeMM: no visible global function definition for 'cov'
VCOV.CompositeS: no visible global function definition for 'cov'
VCOV.CompositeTau: no visible global function definition for 'cov'
constantS: no visible global function definition for 'qchisq'
constantS: no visible global function definition for 'uniroot'
constantT : tukeyPsiStar: no visible global function definition for
  'qchisq'
constantT : goal: no visible global function definition for 'qchisq'
constantT: no visible global function definition for 'uniroot'
constantT: no visible global function definition for 'qchisq'
doGammaClassicMMstep: no visible global function definition for 'optim'
doGammaClassicSstep: no visible global function definition for 'optim'
doGammaClassicTaustep: no visible global function definition for
  'optim'
doGammaCompositeMMstep: no visible global function definition for
  'optim'
doGammaCompositeSstep: no visible global function definition for
  'optim'
doGammaCompositeTaustep: no visible global function definition for
  'optim'
doSsteprocke: no visible global function definition for 'qchisq'
eta0Taugoal: no visible global function definition for 'qchisq'
fespro.f: no visible global function definition for 'qchisq'
print.summary.varComprob: no visible global function definition for
  'printCoefmat'
print.summary.varComprob.MM: no visible global function definition for
  'printCoefmat'
print.summary.varComprob.S: no visible global function definition for
  'printCoefmat'
print.summary.varComprob.Tau: no visible global function definition for
  'printCoefmat'
print.summary.varComprob.compositeMM: no visible global function
  definition for 'printCoefmat'
print.summary.varComprob.compositeS: no visible global function
  definition for 'printCoefmat'
print.summary.varComprob.compositeTau: no visible global function
  definition for 'printCoefmat'
rho.rk2: no visible global function definition for 'qchisq'
rho.rk2.f: no visible global function definition for 'qchisq'
rho.rk2.mean: no visible global function definition for 'qchisq'
summarizeRobMahalanobis : cells: no visible global function definition
  for 'qchisq'
summarizeRobMahalanobis : couples: no visible global function
  definition for 'qchisq'
summarizeRobMahalanobis : rows: no visible global function definition
  for 'qchisq'
summary.varComprob: no visible global function definition for 'pnorm'
summary.varComprob.MM: no visible global function definition for
  'pnorm'
summary.varComprob.S: no visible global function definition for 'pnorm'
summary.varComprob.Tau: no visible global function definition for
  'pnorm'
summary.varComprob.compositeMM: no visible global function definition
  for 'pnorm'
summary.varComprob.compositeS: no visible global function definition
  for 'pnorm'
summary.varComprob.compositeTau: no visible global function definition
  for 'pnorm'
univariate.filter : pfnorm: no visible global function definition for
  'pnorm'
univariate.filter: no visible global function definition for 'qnorm'
univariate.filter: no visible binding for global variable 'median'
univariate.filter: no visible binding for global variable 'mad'
varComprob: no visible binding for global variable 'formula'
varComprob: no visible global function definition for 'model.response'
varComprob: no visible global function definition for 'model.weights'
varComprob: no visible global function definition for 'model.offset'
varComprob: no visible global function definition for 'is.empty.model'
varComprob: no visible global function definition for 'model.matrix'
varComprob: no visible global function definition for 'lm.fit'
varComprob.MM: no visible global function definition for 'qchisq'
varComprob.S: no visible global function definition for 'qchisq'
varComprob.Tau: no visible global function definition for 'qchisq'
varComprob.compositeMM: no visible global function definition for
  'qchisq'
varComprob.compositeS: no visible global function definition for
  'qchisq'
varComprob.compositeTau: no visible global function definition for
  'qchisq'
varComprob.initial: no visible global function definition for 'lm.fit'
w.rk2: no visible global function definition for 'qchisq'
Undefined global functions or variables:
  cov formula is.empty.model lm.fit mad median model.matrix
  model.offset model.response model.weights optim pnorm printCoefmat
  qchisq qnorm uniroot
Consider adding
  importFrom("stats", "cov", "formula", "is.empty.model", "lm.fit",
             "mad", "median", "model.matrix", "model.offset",
             "model.response", "model.weights", "optim", "pnorm",
             "printCoefmat", "qchisq", "qnorm", "uniroot")
to your NAMESPACE file.