MSeasyTkGUI : <anonymous>: no visible global function definition for
  ‘help’
choosepackage: no visible global function definition for ‘data’
choosepackage : <anonymous>: no visible global function definition for
  ‘help’
dialog.MS.DataCreation.ASCII : <anonymous>: no visible global function
  definition for ‘help’
dialog.MS.DataCreation.Agilent: no visible global function definition
  for ‘download.file’
dialog.MS.DataCreation.Agilent: no visible global function definition
  for ‘unzip’
dialog.MS.DataCreation.Agilent : <anonymous>: no visible global
  function definition for ‘help’
dialog.MS.DataCreation.CDF: no visible global function definition for
  ‘download.file’
dialog.MS.DataCreation.CDF: no visible global function definition for
  ‘unzip’
dialog.MS.DataCreation.CDF : <anonymous>: no visible global function
  definition for ‘help’
dialog.MS.DataCreation.user : <anonymous>: no visible global function
  definition for ‘help’
dialog.MS.aristo : <anonymous>: no visible global function definition
  for ‘help’
dialog.MS.clust: no visible binding for global variable
  ‘Agilent_quantF_MSclust’
dialog.MS.clust : <anonymous>: no visible global function definition
  for ‘help’
dialog.MS.demon : <anonymous>: no visible global function definition
  for ‘help’
dialog.MS.msp : <anonymous>: no visible global function definition for
  ‘help’
dialog.MS.nist : <anonymous>: no visible global function definition for
  ‘help’
dialog.MS.step1 : <anonymous>: no visible global function definition
  for ‘help’
dialog.MS.step2 : <anonymous>: no visible global function definition
  for ‘help’
dialog.MS.step3 : <anonymous>: no visible global function definition
  for ‘help’
dialog.MS.test.clust: no visible binding for global variable
  ‘Data_testclust’
dialog.MS.test.clust : <anonymous>: no visible global function
  definition for ‘help’
Undefined global functions or variables:
  Agilent_quantF_MSclust Data_testclust data download.file help unzip
Consider adding
  importFrom("utils", "data", "download.file", "help", "unzip")
to your NAMESPACE file.

Found the following calls to attach():
File ‘MSeasyTkGUI/R/MSeasyTkGUI.R’:
  attach(what = NULL, name = "e1")
See section ‘Good practice’ in ‘?attach’.