fel: no visible global function definition for ‘xy.coords’
floop: no visible global function definition for ‘xy.coords’
floop2r: no visible global function definition for ‘xy.coords’
plot.ellipsefit: no visible global function definition for ‘plot’
plot.ellipsefit: no visible global function definition for ‘title’
plot.ellipsefit: no visible global function definition for ‘mtext’
plot.ellipsefit: no visible global function definition for ‘points’
plot.ellipsefit: no visible global function definition for ‘segments’
plot.ellipsefit: no visible global function definition for ‘arrows’
plot.ellipsefit: no visible global function definition for ‘text’
plot.ellipsefit: no visible global function definition for ‘lines’
plot.ellipsefitlist: no visible global function definition for ‘mtext’
plot.ellipsesummary: no visible global function definition for ‘plot’
plot.ellipsesummary: no visible global function definition for ‘title’
plot.ellipsesummary: no visible global function definition for ‘mtext’
plot.ellipsesummary: no visible global function definition for ‘points’
plot.ellipsesummary: no visible global function definition for ‘text’
plot.ellipsesummary: no visible global function definition for ‘lines’
plot.ellipsesummarylist: no visible global function definition for
  ‘mtext’
plot.fittedloop: no visible global function definition for ‘plot’
plot.fittedloop: no visible global function definition for ‘title’
plot.fittedloop: no visible global function definition for ‘mtext’
plot.fittedloop: no visible global function definition for ‘segments’
plot.fittedloop: no visible global function definition for ‘points’
plot.fittedloop: no visible global function definition for ‘lines’
plot.fittedloop: no visible global function definition for ‘text’
plot.fittedlooplist: no visible global function definition for ‘mtext’
plot.fittedlooplist2r: no visible global function definition for
  ‘mtext’
plot.loop2r: no visible global function definition for ‘plot’
plot.loop2r: no visible global function definition for ‘title’
plot.loop2r: no visible global function definition for ‘mtext’
plot.loop2r: no visible global function definition for ‘points’
plot.loop2r: no visible global function definition for ‘lines’
plot.loop2r: no visible global function definition for ‘text’
plot.loop2rsummary: no visible global function definition for ‘plot’
plot.loop2rsummary: no visible global function definition for ‘title’
plot.loop2rsummary: no visible global function definition for ‘mtext’
plot.loop2rsummary: no visible global function definition for ‘points’
plot.loop2rsummary: no visible global function definition for ‘lines’
plot.loop2rsummary: no visible global function definition for ‘text’
plot.loopsummary: no visible global function definition for ‘plot’
plot.loopsummary: no visible global function definition for ‘title’
plot.loopsummary: no visible global function definition for ‘mtext’
plot.loopsummary: no visible global function definition for ‘points’
plot.loopsummary: no visible global function definition for ‘lines’
plot.loopsummary: no visible global function definition for ‘text’
plot.loopsummarylist: no visible global function definition for ‘mtext’
plot.loopsummarylist2r: no visible global function definition for
  ‘mtext’
Undefined global functions or variables:
  arrows lines mtext plot points segments text title xy.coords
Consider adding
  importFrom("grDevices", "xy.coords")
  importFrom("graphics", "arrows", "lines", "mtext", "plot", "points",
             "segments", "text", "title")
to your NAMESPACE file.