wilcox.selection.split: no visible global function definition for
  'pnorm'
wilcox.test2: no visible global function definition for 'wilcox.test'
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  'pnorm'
wilcox.test2: no visible global function definition for 'wilcox.test'
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  'pnorm'
wilcox.test2: no visible global function definition for 'wilcox.test'
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  ‘pnorm’
wilcox.test2: no visible global function definition for ‘wilcox.test’
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.
wilcox.selection.split: no visible global function definition for
  'pnorm'
wilcox.test2: no visible global function definition for 'wilcox.test'
Undefined global functions or variables:
  pnorm wilcox.test
Consider adding
  importFrom("stats", "pnorm", "wilcox.test")
to your NAMESPACE file.