calc2: warning in matrix(nr = 1, nc = 3): partial argument match of
  'nr' to 'nrow'
calc2: warning in matrix(nr = 1, nc = 3): partial argument match of
  'nc' to 'ncol'
calc3: warning in matrix(nr = 1, nc = 7): partial argument match of
  'nr' to 'nrow'
calc3: warning in matrix(nr = 1, nc = 7): partial argument match of
  'nc' to 'ncol'
OSS: no visible binding for '<<-' assignment to 'ONDB1name'
OSS: no visible binding for '<<-' assignment to 'ONDB2name'
OSS: no visible binding for '<<-' assignment to 'ONDB3name'
OSS: no visible binding for '<<-' assignment to 'ONDB4name'
OSS : .write: no visible binding for global variable 'ONDB1name'
OSS : .write: no visible binding for global variable 'ONDB2name'
OSS : .write: no visible binding for global variable 'ONDB3name'
OSS : .write: no visible binding for global variable 'ONDB4name'
OSS : run: no visible binding for global variable 'txt'
OSS : example1: no visible binding for '<<-' assignment to 'ONDB1name'
OSS : example1: no visible binding for global variable 'fil'
OSS : example1: no visible binding for global variable 'separator'
OSS : example2: no visible binding for '<<-' assignment to 'ONDB2name'
OSS : example2: no visible binding for global variable 'fil'
OSS : example2: no visible binding for global variable 'separator'
OSS : example3: no visible binding for '<<-' assignment to 'ONDB3name'
OSS : example3: no visible binding for global variable 'fil'
OSS : example3: no visible binding for global variable 'separator'
OSS : reset1: no visible binding for '<<-' assignment to 'ONDB1name'
OSS : reset2: no visible binding for '<<-' assignment to 'ONDB2name'
OSS : reset3: no visible binding for '<<-' assignment to 'ONDB3name'
OSS : reset4: no visible binding for '<<-' assignment to 'ONDB4name'
OSS : OnOk: no visible binding for global variable 'Name'
OSS : OnOk: no visible binding for global variable 'Namenbseq'
OSS : calc: no visible binding for global variable 'txt4'
OSS : calc: no visible binding for global variable 'txt3'
OSS : dprim: no visible binding for global variable 'txt4'
OSS : dprim: no visible binding for global variable 'txt3'
OSS : effic: no visible binding for global variable 'txt4'
OSS : effic: no visible binding for global variable 'txt3'
OSS : impr: no visible binding for global variable 'txt4'
OSS : impr: no visible binding for global variable 'txt3'
OSS: no visible binding for '<<-' assignment to 'Name'
OSS: no visible binding for global variable 'Name'
OSS: no visible binding for '<<-' assignment to 'Namenbseq'
OSS: no visible binding for global variable 'Namenbseq'
OnOk: no visible binding for global variable 'Name'
OnOk: no visible binding for global variable 'Namenbseq'
calc2: no visible binding for global variable 'txt1'
calc2: no visible binding for global variable 'txt2'
calc3: no visible binding for global variable 'txt1'
calc3: no visible binding for global variable 'txt2'
calc3: no visible binding for global variable 'txt3'
concatenate: no visible binding for global variable 'txt3'
concatenate: no visible binding for global variable 'txt4'
concatenate: no visible binding for global variable 'txt1'
concatenate: no visible binding for global variable 'txt2'
concatenate : calc: no visible binding for '<<-' assignment to 'txt1'
concatenate : calc: no visible binding for '<<-' assignment to 'txt2'
concatenate : calc: no visible binding for '<<-' assignment to 'txt3'
concatenate : calc: no visible binding for '<<-' assignment to
  'ONDB1name'
concatenate : calc: no visible binding for '<<-' assignment to
  'ONDB2name'
concatenate : calc: no visible binding for '<<-' assignment to
  'ONDB3name'
dbb1: no visible global function definition for 'choose.files'
dbb1: no visible binding for global variable 'Filters'
dbb1: no visible binding for '<<-' assignment to 'ONDB1name'
dbb1: no visible binding for global variable 'separator'
dbb1: no visible global function definition for 'dev.off'
dbb2: no visible global function definition for 'choose.files'
dbb2: no visible binding for global variable 'Filters'
dbb2: no visible binding for '<<-' assignment to 'ONDB2name'
dbb2: no visible binding for global variable 'separator'
dbb2: no visible global function definition for 'dev.off'
dbb3: no visible global function definition for 'choose.files'
dbb3: no visible binding for global variable 'Filters'
dbb3: no visible binding for '<<-' assignment to 'ONDB3name'
dbb3: no visible binding for global variable 'separator'
dbb3: no visible global function definition for 'dev.off'
dbb4: no visible global function definition for 'choose.dir'
dbb4: no visible binding for global variable 'separator'
dbb4: no visible global function definition for 'dev.off'
dbb4: no visible binding for global variable 'txt1'
dbb4: no visible binding for global variable 'txt2'
dbb4: no visible binding for global variable 'txt3'
dbb4: no visible binding for '<<-' assignment to 'ONDB4name'
degencal2 : temp: no visible global function definition for 'symbols'
degencal2 : temp: no visible global function definition for 'text'
degencal2 : temp: no visible binding for global variable 'nbsequence'
degencal2 : temp: no visible binding for global variable 'zz1'
degencal3 : temp: no visible global function definition for 'symbols'
degencal3 : temp: no visible global function definition for 'text'
degencal3 : temp: no visible binding for global variable 'nbsequence'
degencal3 : temp: no visible binding for global variable 'zz1'
degencal4: no visible binding for global variable 'txt1'
degencal4: no visible binding for global variable 'txt2'
degencal4: no visible binding for global variable 'txt3'
degencal4: no visible binding for global variable 'txt4'
degencal4: no visible binding for global variable 'nbsequence'
exportglobal: no visible binding for global variable 'txt1'
exportglobal: no visible binding for global variable 'txt2'
exportglobal: no visible binding for global variable 'txt3'
exportglobal: no visible binding for global variable 'newdb'
glob2d : temp: no visible global function definition for 'symbols'
glob2d : temp: no visible global function definition for 'text'
glob2d : temp : normal_prct: no visible global function definition for
  'text'
glob2d : temp : normal_prct: no visible binding for global variable
  'zz1'
glob2d : temp : normal_prct: no visible binding for global variable
  'nbsequence'
glob2d : temp : normal: no visible global function definition for
  'text'
glob2d : temp : normal: no visible binding for global variable 'zz1'
glob2d : temp: no visible binding for global variable 'nbsequence'
glob3d : temp: no visible global function definition for 'symbols'
glob3d : temp: no visible global function definition for 'text'
glob3d : temp : normal: no visible global function definition for
  'text'
glob3d : temp : normal: no visible binding for global variable 'zz1'
glob3d : temp : normal_prct: no visible global function definition for
  'text'
glob3d : temp : normal_prct: no visible binding for global variable
  'zz1'
glob3d : temp : normal_prct: no visible binding for global variable
  'nbsequence'
glob3d : temp: no visible binding for global variable 'nbsequence'
impr2d : temp: no visible global function definition for 'symbols'
impr2d : temp: no visible global function definition for 'text'
impr2d : temp: no visible binding for global variable 'nbsequence'
impr2d : temp: no visible binding for global variable 'zz1'
impr3d : temp: no visible global function definition for 'symbols'
impr3d : temp: no visible global function definition for 'text'
impr3d : temp: no visible binding for global variable 'nbsequence'
impr3d : temp: no visible binding for global variable 'zz1'
optxt: no visible binding for '<<-' assignment to 'fil'
optxt: no visible binding for global variable 'bg'
pcrcal2 : temp: no visible binding for global variable 'zz1'
pcrcal2 : temp: no visible global function definition for 'symbols'
pcrcal2 : temp: no visible global function definition for 'text'
pcrcal2 : temp : normal: no visible global function definition for
  'text'
pcrcal2 : temp : normal_prct: no visible global function definition for
  'text'
pcrcal2 : temp : normal_prct: no visible binding for global variable
  'nbsequence'
pcrcal2 : temp: no visible binding for global variable 'nbsequence'
pcrcal3 : temp: no visible global function definition for 'symbols'
pcrcal3 : temp: no visible global function definition for 'text'
pcrcal3 : temp: no visible binding for global variable 'nbsequence'
pcrcal3 : temp: no visible binding for global variable 'zz1'
pcrcal4: no visible binding for global variable 'myfiles'
pcrcal4: no visible binding for global variable 'txt1'
pcrcal4: no visible binding for global variable 'txt2'
pcrcal4: no visible binding for global variable 'txt3'
pcrcal4: no visible binding for global variable 'txt4'
pcrcal4: no visible binding for global variable 'nbsequence'
security: no visible binding for global variable 'txt4'
security: no visible binding for global variable 'txt1'
security: no visible binding for global variable 'txt2'
security: no visible binding for global variable 'txt3'
waitGUI : temp: no visible global function definition for 'plot'
waitGUI : temp: no visible global function definition for 'segments'
waitGUI : temp: no visible global function definition for 'text'
waitGUI: no visible binding for '<<-' assignment to 'z'
waitGUI: no visible binding for global variable 'z'
Undefined global functions or variables:
  Filters Name Namenbseq ONDB1name ONDB2name ONDB3name ONDB4name bg
  choose.dir choose.files dev.off fil myfiles nbsequence newdb plot
  segments separator symbols text txt txt1 txt2 txt3 txt4 z zz1
Consider adding
  importFrom("grDevices", "dev.off")
  importFrom("graphics", "plot", "segments", "symbols", "text")
  importFrom("utils", "Filters", "choose.dir", "choose.files")
to your NAMESPACE file.