apply.breaks: no visible binding for global variable 'median'
break.clust: no visible global function definition for 'median'
breakage.plot: no visible binding for global variable 'median'
breakage.plot: no visible global function definition for 'abline'
breakage.plot: no visible global function definition for 'lm'
find.bottom: no visible global function definition for 'filter'
fit.breakage: no visible global function definition for 'optim'
fit.breakage: no visible global function definition for 'points'
fit.sensitivity.plot: no visible global function definition for
  'contour'
fit.sensitivity.plot: no visible global function definition for
  'points'
fit.sensitivity.plot: no visible global function definition for 'text'
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable 'median'
break.clust: no visible global function definition for 'median'
breakage.plot: no visible binding for global variable 'median'
breakage.plot: no visible global function definition for 'abline'
breakage.plot: no visible global function definition for 'lm'
find.bottom: no visible global function definition for 'filter'
fit.breakage: no visible global function definition for 'optim'
fit.breakage: no visible global function definition for 'points'
fit.sensitivity.plot: no visible global function definition for
  'contour'
fit.sensitivity.plot: no visible global function definition for
  'points'
fit.sensitivity.plot: no visible global function definition for 'text'
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable 'median'
break.clust: no visible global function definition for 'median'
breakage.plot: no visible binding for global variable 'median'
breakage.plot: no visible global function definition for 'abline'
breakage.plot: no visible global function definition for 'lm'
find.bottom: no visible global function definition for 'filter'
fit.breakage: no visible global function definition for 'optim'
fit.breakage: no visible global function definition for 'points'
fit.sensitivity.plot: no visible global function definition for
  'contour'
fit.sensitivity.plot: no visible global function definition for
  'points'
fit.sensitivity.plot: no visible global function definition for 'text'
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable ‘median’
break.clust: no visible global function definition for ‘median’
breakage.plot: no visible binding for global variable ‘median’
breakage.plot: no visible global function definition for ‘abline’
breakage.plot: no visible global function definition for ‘lm’
find.bottom: no visible global function definition for ‘filter’
fit.breakage: no visible global function definition for ‘optim’
fit.breakage: no visible global function definition for ‘points’
fit.sensitivity.plot: no visible global function definition for
  ‘contour’
fit.sensitivity.plot: no visible global function definition for
  ‘points’
fit.sensitivity.plot: no visible global function definition for ‘text’
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.
apply.breaks: no visible binding for global variable 'median'
break.clust: no visible global function definition for 'median'
breakage.plot: no visible binding for global variable 'median'
breakage.plot: no visible global function definition for 'abline'
breakage.plot: no visible global function definition for 'lm'
find.bottom: no visible global function definition for 'filter'
fit.breakage: no visible global function definition for 'optim'
fit.breakage: no visible global function definition for 'points'
fit.sensitivity.plot: no visible global function definition for
  'contour'
fit.sensitivity.plot: no visible global function definition for
  'points'
fit.sensitivity.plot: no visible global function definition for 'text'
Undefined global functions or variables:
  abline contour filter lm median optim points text
Consider adding
  importFrom("graphics", "abline", "contour", "points", "text")
  importFrom("stats", "filter", "lm", "median", "optim")
to your NAMESPACE file.