DivMelt_gui: no visible global function definition for 'tktoplevel'
DivMelt_gui: no visible global function definition for 'tkwm.title'
DivMelt_gui: no visible global function definition for 'tkwm.geometry'
DivMelt_gui: no visible global function definition for 'tkfont.create'
DivMelt_gui: no visible global function definition for 'tclVar'
DivMelt_gui : loadSettings: no visible global function definition for
  'tclvalue<-'
DivMelt_gui : loadSettings: no visible global function definition for
  'tkmessageBox'
DivMelt_gui : showOptions: no visible global function definition for
  'tktoplevel'
DivMelt_gui : showOptions: no visible global function definition for
  'tkwm.deiconify'
DivMelt_gui : showOptions: no visible global function definition for
  'tkgrab.set'
DivMelt_gui : showOptions: no visible global function definition for
  'tkfocus'
DivMelt_gui : showOptions: no visible global function definition for
  'tkwm.title'
DivMelt_gui : showOptions: no visible global function definition for
  'tkwm.geometry'
DivMelt_gui : showOptions: no visible global function definition for
  'tkframe'
DivMelt_gui : showOptions: no visible global function definition for
  'tkgrid.columnconfigure'
DivMelt_gui : showOptions: no visible global function definition for
  'tkgrid.configure'
DivMelt_gui : showOptions: no visible global function definition for
  'tclvalue'
DivMelt_gui : showOptions: no visible global function definition for
  'tklabel'
DivMelt_gui : showOptions: no visible global function definition for
  'tkgrid'
DivMelt_gui : showOptions: no visible global function definition for
  'tclVar'
DivMelt_gui : showOptions: no visible global function definition for
  'tkbutton'
DivMelt_gui : showOptions : <anonymous>: no visible global function
  definition for 'tclvalue<-'
DivMelt_gui : showOptions: no visible global function definition for
  'tkwait.variable'
DivMelt_gui : showOptions: no visible global function definition for
  'tkProgressBar'
DivMelt_gui : showOptions : updateBar: no visible global function
  definition for 'setTkProgressBar'
DivMelt_gui : showOptions : updateBar: no visible global function
  definition for 'tcl'
DivMelt_gui : showOptions: no visible global function definition for
  'setTkProgressBar'
DivMelt_gui : showOptions: no visible global function definition for
  'tkmessageBox'
DivMelt_gui : showOptions : <anonymous>: no visible global function
  definition for 'tkmessageBox'
DivMelt_gui : showOptions: no visible global function definition for
  'tkgrab.release'
DivMelt_gui : showOptions: no visible global function definition for
  'tkdestroy'
DivMelt_gui : inputDlg: no visible global function definition for
  'tktoplevel'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkwm.deiconify'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkgrab.set'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkfocus'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkwm.title'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkwm.geometry'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkwidget'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkgrid.columnconfigure'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkgrid.configure'
DivMelt_gui : inputDlg: no visible global function definition for
  'tklabel'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkbutton'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkbind'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkentry'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkconfigure'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkgrid'
DivMelt_gui : inputDlg: no visible global function definition for
  'tclVar'
DivMelt_gui : inputDlg : <anonymous>: no visible global function
  definition for 'tclvalue<-'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkwait.variable'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkgrab.release'
DivMelt_gui : inputDlg: no visible global function definition for
  'tkdestroy'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tktoplevel'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkwm.deiconify'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkgrab.set'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkfocus'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkwm.title'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkwm.geometry'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkwidget'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkgrid.columnconfigure'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tklabel'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkbind'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkradiobutton'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkconfigure'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkgrid'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkgrid.configure'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkcheckbutton'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkentry'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tclVar'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkbutton'
DivMelt_gui : plottingDlg : <anonymous>: no visible global function
  definition for 'tclvalue<-'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkwait.variable'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkgrab.release'
DivMelt_gui : plottingDlg: no visible global function definition for
  'tkdestroy'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tktoplevel'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkwm.deiconify'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkgrab.set'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkfocus'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkwm.title'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkwm.geometry'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkwidget'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkgrid.columnconfigure'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tklabel'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkbind'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkcheckbutton'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkconfigure'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkgrid'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkgrid.configure'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tclvalue'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkscale'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkbutton'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkentry'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tclVar'
DivMelt_gui : analysisDlg : <anonymous>: no visible global function
  definition for 'tclvalue<-'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkwait.variable'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkgrab.release'
DivMelt_gui : analysisDlg: no visible global function definition for
  'tkdestroy'
DivMelt_gui : outputDlg: no visible global function definition for
  'tktoplevel'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkwm.deiconify'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkgrab.set'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkfocus'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkwm.title'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkwm.geometry'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkwidget'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkgrid.columnconfigure'
DivMelt_gui : outputDlg: no visible global function definition for
  'tklabel'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkbutton'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkentry'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkbind'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkgrid'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkgrid.configure'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkconfigure'
DivMelt_gui : outputDlg: no visible global function definition for
  'tclVar'
DivMelt_gui : outputDlg : <anonymous>: no visible global function
  definition for 'tclvalue<-'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkwait.variable'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkgrab.release'
DivMelt_gui : outputDlg: no visible global function definition for
  'tkdestroy'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkconfigure'
DivMelt_gui : viewCommand: no visible global function definition for
  'tcl'
DivMelt_gui : viewCommand: no visible global function definition for
  'tclvalue'
DivMelt_gui : viewCommand: no visible global function definition for
  'tktoplevel'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkwm.deiconify'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkgrab.set'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkfocus'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkwm.title'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkwm.geometry'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkwidget'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkgrid.columnconfigure'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkgrid.configure'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkscrollbar'
DivMelt_gui : viewCommand : <anonymous>: no visible global function
  definition for 'tkyview'
DivMelt_gui : viewCommand: no visible global function definition for
  'tklistbox'
DivMelt_gui : viewCommand : <anonymous>: no visible global function
  definition for 'tkset'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkgrid'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkinsert'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkbind'
DivMelt_gui : viewCommand : <anonymous>: no visible global function
  definition for 'tkcurselection'
DivMelt_gui : viewCommand : <anonymous>: no visible global function
  definition for 'tkmessageBox'
DivMelt_gui : viewCommand: no visible global function definition for
  'tclVar'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkbutton'
DivMelt_gui : viewCommand : <anonymous>: no visible global function
  definition for 'tclvalue<-'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkwait.variable'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkgrab.release'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkdestroy'
DivMelt_gui : viewCommand: no visible global function definition for
  'tkmessageBox'
DivMelt_gui : loadCommand: no visible global function definition for
  'tclvalue'
DivMelt_gui : loadCommand: no visible global function definition for
  'tkgetOpenFile'
DivMelt_gui : saveCommand: no visible global function definition for
  'tclvalue'
DivMelt_gui : saveCommand: no visible global function definition for
  'tkgetSaveFile'
DivMelt_gui : saveCommand: no visible global function definition for
  'tkmessageBox'
DivMelt_gui : exitCommand: no visible global function definition for
  'tkmessageBox'
DivMelt_gui : exitCommand: no visible global function definition for
  'tkdestroy'
DivMelt_gui : selectOutputDir: no visible global function definition
  for 'tclvalue'
DivMelt_gui : selectOutputDir: no visible global function definition
  for 'tkchooseDirectory'
DivMelt_gui : selectOutputDir: no visible global function definition
  for 'tclvalue<-'
DivMelt_gui : selectDir: no visible global function definition for
  'tclvalue'
DivMelt_gui : selectDir: no visible global function definition for
  'tkchooseDirectory'
DivMelt_gui : selectDir: no visible global function definition for
  'tclvalue<-'
DivMelt_gui : selectFile: no visible global function definition for
  'tclvalue'
DivMelt_gui : selectFile: no visible global function definition for
  'tkgetOpenFile'
DivMelt_gui : selectFile: no visible global function definition for
  'tclvalue<-'
DivMelt_gui : selectScoreFile: no visible global function definition
  for 'tclvalue'
DivMelt_gui : selectScoreFile: no visible global function definition
  for 'tkgetOpenFile'
DivMelt_gui : selectScoreFile: no visible global function definition
  for 'tclvalue<-'
DivMelt_gui : selectModelFile: no visible global function definition
  for 'tclvalue'
DivMelt_gui : selectModelFile: no visible global function definition
  for 'tkgetOpenFile'
DivMelt_gui : selectModelFile: no visible global function definition
  for 'tclvalue<-'
DivMelt_gui : helpDialog: no visible global function definition for
  'tkmessageBox'
DivMelt_gui: no visible global function definition for 'tkwidget'
DivMelt_gui: no visible global function definition for 'tkbutton'
DivMelt_gui: no visible global function definition for 'tkgrid'
DivMelt_gui: no visible global function definition for
  'tkgrid.columnconfigure'
DivMelt_gui: no visible global function definition for
  'tkgrid.rowconfigure'
DivMelt_gui: no visible global function definition for 'tkfocus'
modelDivMelt: no visible global function definition for 'read.csv'
modelDivMelt: no visible global function definition for 'cv.glmnet'
modelDivMelt: no visible global function definition for 'predict'
modelDivMelt: no visible global function definition for 'coef'
processDivMelt: no visible global function definition for 'data'
processDivMelt: no visible global function definition for 'pdf'
processDivMelt: no visible global function definition for 'layout'
processDivMelt: no visible global function definition for 'par'
processDivMelt: no visible global function definition for 'png'
processDivMelt: no visible global function definition for 'plot.new'
processDivMelt: no visible global function definition for 'text'
processDivMelt: no visible global function definition for 'plot'
processDivMelt: no visible global function definition for 'lines'
processDivMelt: no visible global function definition for 'lowess'
processDivMelt: no visible global function definition for 'lm'
processDivMelt: no visible global function definition for 'sd'
processDivMelt: no visible global function definition for 'loess'
processDivMelt: no visible global function definition for 'segments'
processDivMelt: no visible global function definition for 'abline'
processDivMelt: no visible global function definition for 'predict'
processDivMelt: no visible global function definition for 'title'
processDivMelt: no visible global function definition for 'dev.off'
Undefined global functions or variables:
  abline coef cv.glmnet data dev.off layout lines lm loess lowess par
  pdf plot plot.new png predict read.csv sd segments setTkProgressBar
  tcl tclVar tclvalue tclvalue<- text title tkProgressBar tkbind
  tkbutton tkcheckbutton tkchooseDirectory tkconfigure tkcurselection
  tkdestroy tkentry tkfocus tkfont.create tkframe tkgetOpenFile
  tkgetSaveFile tkgrab.release tkgrab.set tkgrid tkgrid.columnconfigure
  tkgrid.configure tkgrid.rowconfigure tkinsert tklabel tklistbox
  tkmessageBox tkradiobutton tkscale tkscrollbar tkset tktoplevel
  tkwait.variable tkwidget tkwm.deiconify tkwm.geometry tkwm.title
  tkyview
Consider adding
  importFrom("grDevices", "dev.off", "pdf", "png")
  importFrom("graphics", "abline", "layout", "lines", "par", "plot",
             "plot.new", "segments", "text", "title")
  importFrom("stats", "coef", "lm", "loess", "lowess", "predict", "sd")
  importFrom("utils", "data", "read.csv")
to your NAMESPACE file.

Found the following calls to data() loading into the global environment:
File 'DivMelt/R/processDivMelt.R':
  data(model)
See section 'Good practice' in '?data'.