ellipse.arima0: no visible global function definition for ‘qchisq’
ellipse.default: no visible global function definition for ‘qchisq’
ellipse.glm: no visible global function definition for ‘qf’
ellipse.glm: no visible global function definition for ‘qchisq’
ellipse.lm: no visible global function definition for ‘qf’
ellipse.nls: no visible global function definition for ‘qf’
ellipse.profile: no visible global function definition for ‘qchisq’
ellipse.profile : myapprox: no visible global function definition for
  ‘approx’
ellipse.profile: no visible global function definition for ‘spline’
ellipse.profile.glm: no visible global function definition for ‘qf’
ellipse.profile.glm: no visible global function definition for ‘qchisq’
ellipse.profile.nls: no visible global function definition for ‘qf’
pairs.profile: no visible binding for global variable ‘lines’
pairs.profile : doaxis: no visible global function definition for
  ‘axis’
pairs.profile : setup: no visible global function definition for ‘plot’
pairs.profile: no visible global function definition for ‘par’
pairs.profile: no visible global function definition for ‘box’
pairs.profile: no visible global function definition for ‘text’
plotcorr: no visible global function definition for ‘par’
plotcorr: no visible global function definition for ‘plot.new’
plotcorr: no visible global function definition for ‘strwidth’
plotcorr: no visible global function definition for ‘plot’
plotcorr: no visible global function definition for ‘text’
plotcorr: no visible global function definition for ‘mtext’
plotcorr : plotcorrInternal: no visible global function definition for
  ‘polygon’
plotcorr : plotcorrInternal: no visible global function definition for
  ‘lines’
plotcorr : plotcorrInternal: no visible global function definition for
  ‘text’
Undefined global functions or variables:
  approx axis box lines mtext par plot plot.new polygon qchisq qf
  spline strwidth text
Consider adding
  importFrom("graphics", "axis", "box", "lines", "mtext", "par", "plot",
             "plot.new", "polygon", "strwidth", "text")
  importFrom("stats", "approx", "qchisq", "qf", "spline")
to your NAMESPACE file.