ARSdf: no visible global function definition for 'fft'
AcfPlot: no visible global function definition for 'plot'
AcfPlot: no visible global function definition for 'lines'
BICqLL: no visible global function definition for 'qchisq'
BICqSelect: no visible global function definition for 'qchisq'
Boot.FitAR: no visible global function definition for 'ts'
BoxCox.Arima: no visible global function definition for 'optimize'
BoxCox.Arima: no visible global function definition for 'spline'
BoxCox.Arima: no visible global function definition for 'plot'
BoxCox.Arima: no visible global function definition for 'abline'
BoxCox.Arima: no visible global function definition for 'text'
BoxCox.FitAR: no visible global function definition for 'optimize'
BoxCox.FitAR: no visible global function definition for 'spline'
BoxCox.FitAR: no visible global function definition for 'plot'
BoxCox.FitAR: no visible global function definition for 'abline'
BoxCox.FitAR: no visible global function definition for 'text'
BoxCox.numeric: no visible global function definition for 'optimize'
BoxCox.numeric: no visible global function definition for 'spline'
BoxCox.numeric: no visible binding for global variable 'data'
BoxCox.numeric: no visible global function definition for 'plot'
BoxCox.numeric: no visible global function definition for 'abline'
BoxCox.numeric: no visible global function definition for 'text'
ChampernowneD: no visible global function definition for 'toeplitz'
FitARp: no visible global function definition for 'acf'
FitARp: no visible global function definition for 'tsp'
FitARz: no visible global function definition for 'tsp'
FitARz: no visible global function definition for 'acf'
GetB: no visible global function definition for 'acf'
GetFitARpLS: no visible global function definition for 'embed'
GetFitARpLS: no visible global function definition for 'lm'
GetFitARpLS: no visible global function definition for 'resid'
GetFitARpLS: no visible global function definition for 'coef'
GetFitARpLS: no visible global function definition for 'vcov'
GetFitARpMLE: no visible global function definition for 'arima'
GetFitARpMLE: no visible global function definition for 'resid'
GetFitARpMLE: no visible global function definition for 'coef'
GetFitARz: no visible global function definition for 'ar.burg'
GetFitARz: no visible global function definition for 'optim'
GetLeapsAR: no visible global function definition for 'qchisq'
InformationMatrixAR: no visible global function definition for
  'toeplitz'
InformationMatrixARp: no visible global function definition for
  'toeplitz'
JarqueBeraTest: no visible global function definition for 'pchisq'
LBQPlot: no visible global function definition for 'plot'
LBQPlot: no visible global function definition for 'abline'
LjungBoxTest: no visible global function definition for 'acf'
LjungBoxTest: no visible global function definition for 'pchisq'
PacfPlot: no visible global function definition for 'ar.burg'
PacfPlot: no visible global function definition for 'plot'
PacfPlot: no visible global function definition for 'lines'
PacfPlot: no visible global function definition for 'segments'
PacfPlot: no visible global function definition for 'title'
PlotARSdf: no visible global function definition for 'plot'
RacfPlot: no visible global function definition for 'residuals'
RacfPlot: no visible global function definition for 'acf'
RacfPlot: no visible global function definition for 'qnorm'
RacfPlot: no visible global function definition for 'plot'
RacfPlot: no visible global function definition for 'lines'
RacfPlot: no visible global function definition for 'title'
Readts: no visible global function definition for 'ts'
SelectModel: no visible global function definition for 'ar.burg'
SelectModel: no visible global function definition for 'qchisq'
SimulateGaussianAR: no visible global function definition for 'rnorm'
SimulateGaussianAR: no visible global function definition for
  'toeplitz'
TimeSeriesPlot: no visible global function definition for 'par'
TimeSeriesPlot: no visible global function definition for 'plot'
UnitRootTest: no visible global function definition for 'rnorm'
cts: no visible global function definition for 'is.ts'
cts: no visible global function definition for 'end'
cts: no visible global function definition for 'start'
cts: no visible global function definition for 'tsp'
cts: no visible global function definition for 'window'
plot.FitAR: no visible global function definition for 'resid'
plot.FitAR: no visible global function definition for 'layout'
plot.FitAR: no visible global function definition for 'plot'
plot.FitAR: no visible global function definition for 'title'
plot.FitAR: no visible global function definition for 'lines'
plot.FitAR: no visible global function definition for 'lowess'
plot.FitAR: no visible global function definition for 'acf'
plot.FitAR: no visible global function definition for 'var'
plot.Selectmodel: no visible global function definition for 'par'
plot.Selectmodel: no visible global function definition for 'plot'
plot.Selectmodel: no visible global function definition for 'abline'
plot.Selectmodel: no visible global function definition for 'title'
plot.Selectmodel: no visible global function definition for 'axis'
plot.Selectmodel: no visible global function definition for 'mtext'
summary.FitAR: no visible global function definition for 'var'
Undefined global functions or variables:
  abline acf ar.burg arima axis coef data embed end fft is.ts layout
  lines lm lowess mtext optim optimize par pchisq plot qchisq qnorm
  resid residuals rnorm segments spline start text title toeplitz ts
  tsp var vcov window
Consider adding
  importFrom("graphics", "abline", "axis", "layout", "lines", "mtext",
             "par", "plot", "segments", "text", "title")
  importFrom("stats", "acf", "ar.burg", "arima", "coef", "embed", "end",
             "fft", "is.ts", "lm", "lowess", "optim", "optimize",
             "pchisq", "qchisq", "qnorm", "resid", "residuals", "rnorm",
             "spline", "start", "toeplitz", "ts", "tsp", "var", "vcov",
             "window")
  importFrom("utils", "data")
to your NAMESPACE file.