grayDarker: no visible global function definition for ‘smooth’
grayDarker: no visible global function definition for ‘na.omit’
graySmoothed : hanning: no visible global function definition for
  ‘filter’
lagIngray : average.ingray: no visible global function definition for
  ‘ts’
lagIngray: no visible global function definition for ‘na.omit’
multiDetect : fplot: no visible global function definition for ‘update’
multiDetect : fplotinc: no visible global function definition for
  ‘update’
multiDetect : fnoplotinc: no visible global function definition for
  ‘update’
plotSegments : ffig: no visible global function definition for ‘par’
plotSegments : ffig : f.nodes: no visible global function definition
  for ‘par’
plotSegments : ffig : f.nodes: no visible global function definition
  for ‘grconvertY’
plotSegments : ffig: no visible global function definition for ‘lines’
plotSegments : ffig : f.labels1 : frect: no visible global function
  definition for ‘par’
plotSegments : ffig : f.labels1 : frect: no visible global function
  definition for ‘strwidth’
plotSegments : ffig : f.labels1 : frect: no visible global function
  definition for ‘strheight’
plotSegments : ffig : f.labels1 : frect: no visible global function
  definition for ‘rect’
plotSegments : ffig : f.labels1 : frect: no visible global function
  definition for ‘text’
plotSegments : ffig: no visible global function definition for ‘axis’
plotSegments : ffig: no visible global function definition for
  ‘rasterImage’
plotSegments : ffig: no visible global function definition for ‘points’
plotSegments : ffig : fpmarker: no visible global function definition
  for ‘points’
plotSegments : ffig : fcyear: no visible global function definition for
  ‘par’
plotSegments : ffig : fcyear: no visible global function definition for
  ‘grconvertY’
plotSegments : ffig: no visible global function definition for
  ‘strheight’
plotSegments : ffig: no visible global function definition for
  ‘segments’
plotSegments : ffig: no visible global function definition for ‘mtext’
plotSegments : ffig: no visible global function definition for ‘title’
plotSegments: no visible global function definition for ‘graphics.off’
plotSegments: no visible global function definition for ‘dev.new’
plotSegments: no visible global function definition for ‘par’
ringSelect : f.inclu: no visible global function definition for
  ‘dev.list’
ringSelect : f.inclu : fexcleca: no visible global function definition
  for ‘par’
ringSelect : f.inclu : fexcleca: no visible global function definition
  for ‘identify’
ringSelect : f.inclu: no visible global function definition for
  ‘dev.set’
ringSelect : f.inclu: no visible global function definition for
  ‘dev.cur’
ringSelect : f.inclu: no visible global function definition for
  ‘dev.off’
ringSelect: no visible binding for global variable ‘gray’
Undefined global functions or variables:
  axis dev.cur dev.list dev.new dev.off dev.set filter graphics.off
  gray grconvertY identify lines mtext na.omit par points rasterImage
  rect segments smooth strheight strwidth text title ts update
Consider adding
  importFrom("grDevices", "dev.cur", "dev.list", "dev.new", "dev.off",
             "dev.set", "graphics.off", "gray")
  importFrom("graphics", "axis", "grconvertY", "identify", "lines",
             "mtext", "par", "points", "rasterImage", "rect", "segments",
             "strheight", "strwidth", "text", "title")
  importFrom("stats", "filter", "na.omit", "smooth", "ts", "update")
to your NAMESPACE file.