boottol: no visible global function definition for 'setNames'
boottol : shift: no visible global function definition for 'tail'
boottol : shift: no visible global function definition for 'head'
boottol: no visible global function definition for 'na.omit'
vastol: no visible global function definition for 'setNames'
vastol: no visible global function definition for 'na.omit'
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for 'setNames'
boottol : shift: no visible global function definition for 'tail'
boottol : shift: no visible global function definition for 'head'
boottol: no visible global function definition for 'na.omit'
vastol: no visible global function definition for 'setNames'
vastol: no visible global function definition for 'na.omit'
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for 'setNames'
boottol : shift: no visible global function definition for 'tail'
boottol : shift: no visible global function definition for 'head'
boottol: no visible global function definition for 'na.omit'
vastol: no visible global function definition for 'setNames'
vastol: no visible global function definition for 'na.omit'
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for ‘setNames’
boottol : shift: no visible global function definition for ‘tail’
boottol : shift: no visible global function definition for ‘head’
boottol: no visible global function definition for ‘na.omit’
vastol: no visible global function definition for ‘setNames’
vastol: no visible global function definition for ‘na.omit’
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.
boottol: no visible global function definition for 'setNames'
boottol : shift: no visible global function definition for 'tail'
boottol : shift: no visible global function definition for 'head'
boottol: no visible global function definition for 'na.omit'
vastol: no visible global function definition for 'setNames'
vastol: no visible global function definition for 'na.omit'
Undefined global functions or variables:
  head na.omit setNames tail
Consider adding
  importFrom("stats", "na.omit", "setNames")
  importFrom("utils", "head", "tail")
to your NAMESPACE file.