BoxPierce: no visible global function definition for 'as.ts'
GetResiduals: no visible global function definition for 'ts'
GetResiduals: no visible global function definition for 'resid'
GetResiduals: no visible global function definition for 'residuals'
Hosking: no visible global function definition for 'as.ts'
LiMcLeod: no visible global function definition for 'as.ts'
LjungBox: no visible global function definition for 'as.ts'
ToeplitzBlock: no visible global function definition for 'toeplitz'
fitstable: no visible global function definition for 'quantile'
fitstable: no visible global function definition for 'median'
gvtest: no visible global function definition for 'as.ts'
portest: no visible global function definition for 'as.ts'
portest: no visible global function definition for 'coef'
portest : OneMonteCarlo: no visible global function definition for 'ts'
portest : OneMonteCarlo: no visible global function definition for
  'resid'
portest : OneMonteCarlo: no visible global function definition for
  'capture.output'
portest : OneMonteCarlo: no visible global function definition for
  'as.formula'
portest : OneMonteCarlo: no visible global function definition for
  'garchFit'
portest : OneMonteCarlo: no visible global function definition for
  'residuals'
portest: no visible global function definition for 'makeCluster'
portest: no visible global function definition for
  'clusterSetRNGStream'
portest: no visible global function definition for 'clusterEvalQ'
portest: no visible global function definition for 'clusterExport'
portest: no visible global function definition for 'clusterCall'
portest: no visible global function definition for 'parSapply'
portest: no visible global function definition for 'stopCluster'
rStable: no visible global function definition for 'runif'
rStable: no visible global function definition for 'rcauchy'
varima.sim: no visible global function definition for 'rchisq'
varima.sim: no visible global function definition for 'diffinv'
varima.sim: no visible global function definition for 'ts'
Undefined global functions or variables:
  as.formula as.ts capture.output clusterCall clusterEvalQ
  clusterExport clusterSetRNGStream coef diffinv garchFit makeCluster
  median parSapply quantile rcauchy rchisq resid residuals runif
  stopCluster toeplitz ts
Consider adding
  importFrom("stats", "as.formula", "as.ts", "coef", "diffinv", "median",
             "quantile", "rcauchy", "rchisq", "resid", "residuals",
             "runif", "toeplitz", "ts")
  importFrom("utils", "capture.output")
to your NAMESPACE file.