RUVRand: no visible global function definition for 'barplot'
RUVRand: no visible global function definition for 'prcomp'
RuvRandIter: no visible global function definition for 'kmeans'
RuvRandIter: no visible global function definition for 'barplot'
RuvRandIter: no visible global function definition for 'prcomp'
opt: no visible global function definition for 'optim'
printdata: no visible global function definition for 'head'
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for 'barplot'
RUVRand: no visible global function definition for 'prcomp'
RuvRandIter: no visible global function definition for 'kmeans'
RuvRandIter: no visible global function definition for 'barplot'
RuvRandIter: no visible global function definition for 'prcomp'
opt: no visible global function definition for 'optim'
printdata: no visible global function definition for 'head'
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for 'barplot'
RUVRand: no visible global function definition for 'prcomp'
RuvRandIter: no visible global function definition for 'kmeans'
RuvRandIter: no visible global function definition for 'barplot'
RuvRandIter: no visible global function definition for 'prcomp'
opt: no visible global function definition for 'optim'
printdata: no visible global function definition for 'head'
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for ‘barplot’
RUVRand: no visible global function definition for ‘prcomp’
RuvRandIter: no visible global function definition for ‘kmeans’
RuvRandIter: no visible global function definition for ‘barplot’
RuvRandIter: no visible global function definition for ‘prcomp’
opt: no visible global function definition for ‘optim’
printdata: no visible global function definition for ‘head’
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.
RUVRand: no visible global function definition for 'barplot'
RUVRand: no visible global function definition for 'prcomp'
RuvRandIter: no visible global function definition for 'kmeans'
RuvRandIter: no visible global function definition for 'barplot'
RuvRandIter: no visible global function definition for 'prcomp'
opt: no visible global function definition for 'optim'
printdata: no visible global function definition for 'head'
Undefined global functions or variables:
  barplot head kmeans optim prcomp
Consider adding
  importFrom("graphics", "barplot")
  importFrom("stats", "kmeans", "optim", "prcomp")
  importFrom("utils", "head")
to your NAMESPACE file.