dualFlashlight.fn: no visible global function definition for ‘axis’
dualFlashlight.fn: no visible global function definition for ‘box’
dualFlashlight.fn: no visible global function definition for ‘points’
dualFlashlight.fn: no visible global function definition for ‘lines’
dualFlashlight.fn: no visible global function definition for ‘legend’
imageDesign.fn : matrixImage.fn: no visible global function definition
  for ‘rgb’
imageDesign.fn : matrixImage.fn: no visible global function definition
  for ‘image’
imageDesign.fn : matrixImage.fn: no visible global function definition
  for ‘text’
imageDesign.fn : matrixImage.fn: no visible global function definition
  for ‘grid’
imageDesign.fn : matrixImage.fn: no visible global function definition
  for ‘axis’
imageDesign.fn : matrixImage.fn: no visible global function definition
  for ‘box’
imageDesign.fn : image.scale: no visible global function definition for
  ‘par’
imageDesign.fn : image.scale: no visible global function definition for
  ‘rect’
imageDesign.fn : image.scale: no visible global function definition for
  ‘text’
imageDesign.fn : imageDiscrete.fn: no visible global function
  definition for ‘par’
imageIntensity.fn : matrixImage.fn: no visible global function
  definition for ‘rgb’
imageIntensity.fn : matrixImage.fn: no visible global function
  definition for ‘image’
imageIntensity.fn : matrixImage.fn: no visible global function
  definition for ‘text’
imageIntensity.fn : matrixImage.fn: no visible global function
  definition for ‘grid’
imageIntensity.fn : matrixImage.fn: no visible global function
  definition for ‘axis’
imageIntensity.fn : matrixImage.fn: no visible global function
  definition for ‘box’
imageIntensity.fn : image.scale: no visible global function definition
  for ‘par’
imageIntensity.fn : image.scale: no visible global function definition
  for ‘rect’
imageIntensity.fn : image.scale: no visible global function definition
  for ‘text’
imageIntensity.fn : imageContinuous.fn: no visible global function
  definition for ‘rgb’
imageIntensity.fn : imageContinuous.fn: no visible global function
  definition for ‘par’
imageIntensity.fn: no visible global function definition for ‘boxplot’
imageIntensity.fn: no visible global function definition for ‘title’
plateWellSeries.fn: no visible global function definition for ‘axis’
plateWellSeries.fn: no visible global function definition for ‘box’
plateWellSeries.fn: no visible global function definition for ‘points’
plateWellSeries.fn: no visible global function definition for ‘legend’
Undefined global functions or variables:
  axis box boxplot grid image legend lines par points rect rgb text
  title
Consider adding
  importFrom("grDevices", "rgb")
  importFrom("graphics", "axis", "box", "boxplot", "grid", "image",
             "legend", "lines", "par", "points", "rect", "text", "title")
to your NAMESPACE file.