box.plots: no visible global function definition for 'rainbow'
box.plots: no visible global function definition for 'palette'
box.plots: no visible global function definition for 'boxplot'
box.plots: no visible global function definition for 'lines'
box.plots: no visible global function definition for 'plot.window'
box.plots: no visible global function definition for 'points'
box.plots.false: no visible global function definition for 'palette'
box.plots.false: no visible global function definition for 'boxplot'
box.plots.false: no visible global function definition for 'rainbow'
box.plots.false: no visible global function definition for 'lines'
box.plots.false: no visible global function definition for
  'plot.window'
box.plots.false: no visible global function definition for 'points'
color.factor: no visible global function definition for 'col2rgb'
color.factor: no visible global function definition for 'rgb'
correl: no visible global function definition for 'cor'
correl: no visible global function definition for 'par'
diagnostic_dawson: no visible global function definition for 'ecdf'
diagnostic_dawson: no visible global function definition for 'median'
diagnostic_dawson: no visible global function definition for 'cor'
diagnostic_dawson: no visible global function definition for 'sd'
diagnostic_dawson: no visible global function definition for 't.test'
diagnostic_series: no visible global function definition for 'ecdf'
errors.in.time: no visible global function definition for 'rainbow'
errors.in.time: no visible global function definition for 'palette'
errors.in.time: no visible global function definition for 'axis'
errors.in.time: no visible global function definition for 'par'
errors.in.time: no visible global function definition for 'lines'
errors.in.time: no visible global function definition for 'mtext'
errors.in.time: no visible global function definition for 'legend'
errors.in.time: no visible global function definition for 'rect'
errors.in.time: no visible global function definition for 'grid'
lagtime: no visible global function definition for 'var'
lagtime: no visible global function definition for 'ccf'
nashS_HF: no visible global function definition for 'ecdf'
p.synth.peak.error: no visible global function definition for 'grey'
p.synth.peak.error: no visible global function definition for 'palette'
p.synth.peak.error: no visible global function definition for 'layout'
p.synth.peak.error: no visible global function definition for 'par'
p.synth.peak.error: no visible global function definition for 'text'
p.synth.peak.error: no visible global function definition for 'lines'
p.synth.peak.error: no visible global function definition for 'mtext'
p.synth.peak.error: no visible global function definition for
  'plot.new'
p.synth.peak.error: no visible global function definition for 'legend'
peaks.measures : my.min: no visible global function definition for
  'boxplot.stats'
peaks.measures : my.max: no visible global function definition for
  'boxplot.stats'
peaks.measures: no visible global function definition for 'palette'
peaks.measures: no visible global function definition for 'par'
peaks.measures : prepare.plot: no visible global function definition
  for 'par'
peaks.measures : prepare.plot: no visible global function definition
  for 'lines'
peaks.measures: no visible global function definition for 'points'
peaks.measures: no visible global function definition for 'legend'
peaks.on.som: no visible global function definition for 'rainbow'
peaks.on.som: no visible global function definition for 'palette'
peaks.on.som: no visible global function definition for 'par'
peaks.on.som: no visible global function definition for 'mtext'
peaks.on.som: no visible global function definition for 'rect'
peaks.on.som: no visible global function definition for 'text'
reduced.lines: no visible global function definition for 'quantile'
reduced.lines: no visible global function definition for 'lines'
scatterplot : panel.hist: no visible global function definition for
  'par'
scatterplot : panel.hist: no visible global function definition for
  'hist'
scatterplot : panel.hist: no visible global function definition for
  'rect'
som.cluster: no visible global function definition for 'par'
som.cluster: no visible global function definition for 'legend'
som.cluster: no visible global function definition for 'rainbow'
synth.peak.error: no visible global function definition for 'optim'
tiger.peaks: no visible global function definition for 'ecdf'
to.uniform: no visible global function definition for 'ecdf'
Undefined global functions or variables:
  axis boxplot boxplot.stats ccf col2rgb cor ecdf grey grid hist layout
  legend lines median mtext optim palette par plot.new plot.window
  points quantile rainbow rect rgb sd t.test text var
Consider adding
  importFrom("grDevices", "boxplot.stats", "col2rgb", "grey", "palette",
             "rainbow", "rgb")
  importFrom("graphics", "axis", "boxplot", "grid", "hist", "layout",
             "legend", "lines", "mtext", "par", "plot.new",
             "plot.window", "points", "rect", "text")
  importFrom("stats", "ccf", "cor", "ecdf", "median", "optim",
             "quantile", "sd", "t.test", "var")
to your NAMESPACE file.