AMGET : SetWD: no visible global function definition for ‘read.csv’
AMGET : SetWD: no visible global function definition for ‘write.table’
AMGET : Main.menu: no visible global function definition for ‘menu’
AMGET : IDV.menu: no visible global function definition for ‘menu’
AMGET : IDV.Graphs: no visible global function definition for
  ‘read.csv’
AMGET : IDV.Graphs: no visible global function definition for ‘col2rgb’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘par’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘plot.new’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘mtext’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘plot’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘axis’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘grid’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘abline’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘lines’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘rgb’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘text’
AMGET : IDV.Graphs : Population: no visible global function definition
  for ‘legend’
AMGET : IDV.Graphs: no visible global function definition for ‘par’
AMGET : IDV.Graphs: no visible global function definition for
  ‘plot.new’
AMGET : IDV.Graphs: no visible global function definition for ‘mtext’
AMGET : IDV.Graphs: no visible global function definition for ‘plot’
AMGET : IDV.Graphs: no visible global function definition for ‘axis’
AMGET : IDV.Graphs: no visible global function definition for ‘grid’
AMGET : IDV.Graphs: no visible global function definition for ‘lines’
AMGET : IDV.Graphs: no visible global function definition for ‘rgb’
AMGET : IDV.Graphs: no visible global function definition for ‘abline’
AMGET : IDV.Graphs: no visible global function definition for ‘text’
AMGET : IDV.Graphs: no visible global function definition for ‘arrows’
AMGET : IDV.Graphs: no visible global function definition for ‘legend’
AMGET : IDV.Graphs: no visible global function definition for ‘dev.off’
AMGET : IDV.NONMEM: no visible global function definition for
  ‘select.list’
AMGET : IDV.NONMEM: no visible global function definition for
  ‘read.csv’
AMGET : IDV.NONMEM: no visible global function definition for ‘pdf’
AMGET : IDV.NONMEM: no visible global function definition for ‘menu’
AMGET : IDV.IND: no visible global function definition for ‘menu’
AMGET : IDV: no visible global function definition for ‘select.list’
AMGET : IDV: no visible global function definition for ‘read.table’
AMGET : IDV: no visible global function definition for ‘read.csv’
AMGET : IDV: no visible global function definition for ‘write.table’
AMGET : IDV: no visible global function definition for ‘pdf’
AMGET : IDV: no visible global function definition for ‘menu’
AMGET : GOF : Precision: no visible global function definition for
  ‘plot’
AMGET : GOF : Precision: no visible global function definition for
  ‘axis’
AMGET : GOF : Precision: no visible global function definition for ‘lm’
AMGET : GOF : Precision: no visible global function definition for
  ‘grid’
AMGET : GOF : Precision: no visible global function definition for
  ‘abline’
AMGET : GOF : Precision: no visible global function definition for
  ‘legend’
AMGET : GOF : Precision: no visible global function definition for
  ‘rgb’
AMGET : GOF : Precision: no visible global function definition for
  ‘points’
AMGET : GOF : Precision: no visible global function definition for
  ‘mtext’
AMGET : GOF : Precision: no visible global function definition for
  ‘loess’
AMGET : GOF : Precision: no visible global function definition for
  ‘predict’
AMGET : GOF : Precision: no visible global function definition for
  ‘lines’
AMGET : GOF : Residuals: no visible global function definition for
  ‘plot’
AMGET : GOF : Residuals: no visible global function definition for
  ‘grid’
AMGET : GOF : Residuals: no visible global function definition for
  ‘polygon’
AMGET : GOF : Residuals: no visible global function definition for
  ‘rgb’
AMGET : GOF : Residuals: no visible global function definition for
  ‘points’
AMGET : GOF : Residuals: no visible global function definition for
  ‘abline’
AMGET : GOF : Residuals: no visible global function definition for
  ‘legend’
AMGET : GOF : Residuals: no visible global function definition for
  ‘mtext’
AMGET : GOF : Residuals: no visible global function definition for
  ‘loess’
AMGET : GOF : Residuals: no visible global function definition for
  ‘predict’
AMGET : GOF : Residuals: no visible global function definition for
  ‘lines’
AMGET : GOF: no visible global function definition for ‘select.list’
AMGET : GOF: no visible global function definition for ‘read.csv’
AMGET : GOF: no visible global function definition for ‘col2rgb’
AMGET : GOF: no visible global function definition for ‘pdf’
AMGET : GOF: no visible global function definition for ‘plot.new’
AMGET : GOF: no visible global function definition for ‘mtext’
AMGET : GOF: no visible global function definition for ‘par’
AMGET : GOF: no visible global function definition for ‘dev.off’
AMGET : GOF: no visible global function definition for ‘menu’
AMGET : PHF: no visible global function definition for ‘select.list’
AMGET : PHF: no visible global function definition for ‘read.csv’
AMGET : PHF: no visible global function definition for ‘col2rgb’
AMGET : PHF: no visible global function definition for ‘pdf’
AMGET : PHF: no visible global function definition for ‘plot.new’
AMGET : PHF: no visible global function definition for ‘mtext’
AMGET : PHF: no visible global function definition for ‘par’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘plot’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘axis’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘grid’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘lines’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘rgb’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘mtext’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘legend’
AMGET : PHF : PHF.graph: no visible global function definition for
  ‘points’
AMGET : PHF: no visible global function definition for ‘dev.off’
AMGET : PHF: no visible global function definition for ‘menu’
AMGET : PRM: no visible global function definition for ‘select.list’
AMGET : PRM: no visible global function definition for ‘read.csv’
AMGET : PRM: no visible global function definition for ‘col2rgb’
AMGET : PRM: no visible global function definition for ‘pdf’
AMGET : PRM: no visible global function definition for ‘plot.new’
AMGET : PRM: no visible global function definition for ‘mtext’
AMGET : PRM: no visible global function definition for ‘par’
AMGET : PRM: no visible global function definition for ‘plot’
AMGET : PRM: no visible global function definition for ‘density’
AMGET : PRM: no visible global function definition for ‘grid’
AMGET : PRM: no visible global function definition for ‘lines’
AMGET : PRM: no visible global function definition for ‘rgb’
AMGET : PRM: no visible global function definition for ‘median’
AMGET : PRM: no visible global function definition for ‘hist’
AMGET : PRM: no visible global function definition for ‘rainbow’
AMGET : PRM: no visible global function definition for ‘dev.off’
AMGET : PRM: no visible global function definition for ‘menu’
AMGET : VPC: no visible global function definition for ‘select.list’
AMGET : VPC: no visible global function definition for ‘read.csv’
AMGET : VPC: no visible global function definition for ‘quantile’
AMGET : VPC: no visible global function definition for ‘read.table’
AMGET : VPC: no visible global function definition for ‘col2rgb’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘pdf’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘plot.new’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘mtext’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘par’
AMGET : VPC : VPC.graph: no visible binding for global variable
  ‘median’
AMGET : VPC : VPC.graph: no visible binding for global variable
  ‘quantile’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘plot’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘axis’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘grid’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘polygon’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘rgb’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘points’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘lines’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘legend’
AMGET : VPC : VPC.graph: no visible global function definition for
  ‘dev.off’
AMGET : VPC: no visible global function definition for ‘menu’
Undefined global functions or variables:
  abline arrows axis col2rgb density dev.off grid hist legend lines lm
  loess median menu mtext par pdf plot plot.new points polygon predict
  quantile rainbow read.csv read.table rgb select.list text write.table
Consider adding
  importFrom("grDevices", "col2rgb", "dev.off", "pdf", "rainbow", "rgb")
  importFrom("graphics", "abline", "arrows", "axis", "grid", "hist",
             "legend", "lines", "mtext", "par", "plot", "plot.new",
             "points", "polygon", "text")
  importFrom("stats", "density", "lm", "loess", "median", "predict",
             "quantile")
  importFrom("utils", "menu", "read.csv", "read.table", "select.list",
             "write.table")
to your NAMESPACE file.