catch.exceptions.384: no visible global function definition for
  ‘read.delim’
catch.exceptions.384: no visible global function definition for
  ‘write.table’
catch.exceptions.96: no visible global function definition for
  ‘read.delim’
catch.exceptions.96: no visible global function definition for
  ‘write.table’
control.edit: no visible global function definition for ‘read.delim’
control.edit: no visible global function definition for ‘edit’
control.edit: no visible global function definition for ‘write.table’
defaultfiles.write: no visible global function definition for ‘data’
defaultfiles.write: no visible global function definition for
  ‘write.table’
dilution.edit: no visible global function definition for ‘read.delim’
dilution.edit: no visible global function definition for ‘edit’
dilution.edit: no visible global function definition for ‘write.table’
evaluation: no visible global function definition for ‘sd’
evaluation: no visible global function definition for ‘var’
evaluation: no visible global function definition for ‘qt’
evaluation: no visible global function definition for ‘pdf’
evaluation: no visible global function definition for ‘dev.off’
evaluation: no visible global function definition for ‘write.table’
fittedplot: no visible global function definition for ‘plot’
fittedplot: no visible global function definition for ‘axis’
fittedplot: no visible global function definition for ‘lines’
hts.384: no visible global function definition for ‘pdf’
hts.384: no visible global function definition for ‘dev.off’
hts.384: no visible global function definition for ‘write.table’
hts.96: no visible global function definition for ‘pdf’
hts.96: no visible global function definition for ‘dev.off’
hts.96: no visible global function definition for ‘write.table’
ic50: no visible global function definition for ‘tktoplevel’
ic50: no visible global function definition for ‘tkwm.title’
ic50: no visible global function definition for ‘tkradiobutton’
ic50: no visible global function definition for ‘tclVar’
ic50: no visible global function definition for ‘tkconfigure’
ic50: no visible global function definition for ‘tkentry’
ic50 : onIndirBrowse: no visible global function definition for
  ‘tclvalue<-’
ic50 : onIndirBrowse: no visible global function definition for
  ‘tclvalue’
ic50 : onIndirBrowse: no visible global function definition for
  ‘tkchooseDirectory’
ic50: no visible global function definition for ‘tkbutton’
ic50 : onMeasureBrowse: no visible global function definition for
  ‘tclvalue<-’
ic50 : onMeasureBrowse: no visible global function definition for
  ‘tclvalue’
ic50 : onMeasureBrowse: no visible global function definition for
  ‘tkgetOpenFile’
ic50 : onControlBrowse: no visible global function definition for
  ‘tclvalue<-’
ic50 : onControlBrowse: no visible global function definition for
  ‘tclvalue’
ic50 : onControlBrowse: no visible global function definition for
  ‘tkgetOpenFile’
ic50 : onDilutionBrowse: no visible global function definition for
  ‘tclvalue<-’
ic50 : onDilutionBrowse: no visible global function definition for
  ‘tclvalue’
ic50 : onDilutionBrowse: no visible global function definition for
  ‘tkgetOpenFile’
ic50 : onOutdirBrowse: no visible global function definition for
  ‘tclvalue<-’
ic50 : onOutdirBrowse: no visible global function definition for
  ‘tclvalue’
ic50 : onOutdirBrowse: no visible global function definition for
  ‘tkchooseDirectory’
ic50 : onCompute: no visible global function definition for ‘tclvalue’
ic50 : onCompute: no visible global function definition for ‘tclVar’
ic50 : onCompute: no visible global function definition for ‘tkdestroy’
ic50 : <anonymous>: no visible global function definition for
  ‘tkdestroy’
ic50 : onMeasureEdit: no visible global function definition for
  ‘tclvalue’
ic50 : onControlEdit: no visible global function definition for
  ‘tclvalue’
ic50 : onDilutionEdit: no visible global function definition for
  ‘tclvalue’
ic50 : onInhibPerc: no visible global function definition for
  ‘tclvalue’
ic50 : onInhibPerc: no visible global function definition for
  ‘read.delim’
ic50 : onInhibPerc: no visible global function definition for ‘edit’
ic50: no visible global function definition for ‘tkgrid’
ic50: no visible global function definition for ‘tklabel’
ic50: no visible global function definition for ‘tkfocus’
ic50: no visible global function definition for ‘tkwait.window’
ic50.384: no visible global function definition for ‘read.delim’
ic50.96: no visible global function definition for ‘read.delim’
meanplot: no visible global function definition for ‘plot’
meanplot: no visible global function definition for ‘axis’
meanplot: no visible global function definition for ‘lines’
measure.edit: no visible global function definition for ‘read.delim’
measure.edit: no visible global function definition for ‘edit’
measure.edit: no visible global function definition for ‘write.table’
singleplot: no visible global function definition for ‘plot’
singleplot: no visible global function definition for ‘axis’
singleplot: no visible global function definition for ‘lines’
Undefined global functions or variables:
  axis data dev.off edit lines pdf plot qt read.delim sd tclVar
  tclvalue tclvalue<- tkbutton tkchooseDirectory tkconfigure tkdestroy
  tkentry tkfocus tkgetOpenFile tkgrid tklabel tkradiobutton tktoplevel
  tkwait.window tkwm.title var write.table
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "axis", "lines", "plot")
  importFrom("stats", "qt", "sd", "var")
  importFrom("utils", "data", "edit", "read.delim", "write.table")
to your NAMESPACE file.

Found the following calls to data() loading into the global environment:
File ‘ic50/R/misc.R’:
  data("default384_measure")
  data("default384_control")
  data("default384_dilution")
  data("default96_measure")
  data("default96_control")
  data("default96_dilution")
See section ‘Good practice’ in ‘?data’.