bentcable.ar: no visible global function definition for ‘plot’
bentcable.ar: no visible global function definition for ‘title’
bentcable.ar: no visible global function definition for ‘coef’
bentcable.ar: no visible global function definition for ‘abline’
bentcable.dev.plot: no visible global function definition for ‘contour’
bentcable.dev.plot: no visible global function definition for ‘plot’
cable.Sig.ar.p: no visible global function definition for ‘ar’
cable.Sig.ar.p: no visible global function definition for ‘acf’
cable.ar.p.diag: no visible global function definition for ‘par’
cable.ar.p.diag: no visible global function definition for ‘plot’
cable.ar.p.diag: no visible global function definition for ‘text’
cable.ar.p.diag: no visible global function definition for ‘abline’
cable.ar.p.diag: no visible global function definition for ‘acf’
cable.ar.p.diag: no visible global function definition for ‘pacf’
cable.ar.p.iter: no visible global function definition for ‘nls’
cable.ar.p.iter: no visible global function definition for ‘optim’
cable.ar.p.plot: no visible global function definition for ‘plot’
cable.ar.p.plot: no visible global function definition for ‘abline’
cable.change.conf: no visible global function definition for ‘coef’
cable.change.conf: no visible global function definition for ‘qnorm’
cable.dev: no visible global function definition for ‘na.omit’
cable.diagnose.resid: no visible global function definition for ‘resid’
cable.diagnose.resid: no visible global function definition for ‘pacf’
cable.diagnose.resid: no visible global function definition for ‘ar’
cable.fit.known.change: no visible global function definition for ‘lm’
cable.fit.known.change: no visible global function definition for
  ‘coef’
cable.lines: no visible global function definition for ‘segments’
cable.lines: no visible global function definition for ‘lines’
cable.lines: no visible global function definition for ‘abline’
cable.loop: no visible global function definition for ‘lm’
cable.loop.ar.p: no visible global function definition for ‘arima’
is.stationary: no visible global function definition for ‘arima.sim’
stick.ar.0: no visible global function definition for ‘nls’
Undefined global functions or variables:
  abline acf ar arima arima.sim coef contour lines lm na.omit nls optim
  pacf par plot qnorm resid segments text title
Consider adding
  importFrom("graphics", "abline", "contour", "lines", "par", "plot",
             "segments", "text", "title")
  importFrom("stats", "acf", "ar", "arima", "arima.sim", "coef", "lm",
             "na.omit", "nls", "optim", "pacf", "qnorm", "resid")
to your NAMESPACE file.