Figure.correlation.barplot : plot.bar: no visible global function
  definition for ‘rect’
Figure.correlation.barplot : plot.sign: no visible global function
  definition for ‘pt’
Figure.correlation.barplot : plot.sign: no visible global function
  definition for ‘points’
Figure.correlation.barplot : plot.sign.full: no visible global function
  definition for ‘gray’
Figure.correlation.barplot : plot.sign.full: no visible global function
  definition for ‘pt’
Figure.correlation.barplot : plot.sign.full: no visible global function
  definition for ‘points’
Figure.correlation.barplot : plot.fun.in: no visible global function
  definition for ‘rect’
Figure.correlation.barplot : plot.fun.in: no visible global function
  definition for ‘gray’
Figure.correlation.barplot : plot.fun.in: no visible global function
  definition for ‘par’
Figure.correlation.barplot : plot.fun.in: no visible global function
  definition for ‘axis’
Figure.correlation.barplot : plot.fun.in: no visible global function
  definition for ‘mtext’
Figure.correlation.barplot : plot.fun.in: no visible global function
  definition for ‘abline’
Figure.correlation.barplot: no visible global function definition for
  ‘layout’
Figure.correlation.barplot: no visible global function definition for
  ‘par’
Figure.correlation.barplot: no visible global function definition for
  ‘mtext’
Figure.correlation.barplot: no visible global function definition for
  ‘dev.size’
TruncSeriesPithoffset: no visible global function definition for ‘ts’
TruncSeriesPithoffset: no visible global function definition for ‘tsp’
TruncSeriesPithoffset: no visible global function definition for
  ‘na.omit’
TruncSeriesPithoffset: no visible global function definition for
  ‘window’
climate.anom.dendro.season: no visible global function definition for
  ‘ts’
correlation.function: no visible global function definition for
  ‘window’
correlation.function : fun.corr.site.1: no visible global function
  definition for ‘cor.test’
correlation.function : fun.corr.site.2: no visible global function
  definition for ‘cor.test’
correlation.function : fun.corr.site.boot: no visible global function
  definition for ‘cor.test’
correlation.function : fun.boot.CI: no visible global function
  definition for ‘window’
correlation.function : fun.boot.CI: no visible global function
  definition for ‘cor.test’
correlation.function : fun.boot.CI: no visible binding for global
  variable ‘var’
correlation.function: no visible global function definition for ‘axis’
correlation.function: no visible global function definition for ‘mtext’
correlation.function: no visible global function definition for
  ‘abline’
correlation.function: no visible global function definition for ‘lines’
correlation.function: no visible global function definition for
  ‘arrows’
exact.ci: no visible global function definition for ‘binom.test’
figure.function.concordance: no visible global function definition for
  ‘tsp’
figure.function.concordance: no visible global function definition for
  ‘points’
figure.function.concordance: no visible global function definition for
  ‘ts’
figure.function.concordance: no visible global function definition for
  ‘arrows’
figure.function.concordance: no visible global function definition for
  ‘lines’
figure.function.concordance: no visible global function definition for
  ‘smooth.spline’
figure.function.concordance: no visible global function definition for
  ‘na.contiguous’
figure.function.concordance: no visible global function definition for
  ‘abline’
figure.function.concordance: no visible global function definition for
  ‘mtext’
overall.concordance.period: no visible global function definition for
  ‘tsp’
overall.concordance.period: no visible global function definition for
  ‘ts’
overall.concordance.period: no visible global function definition for
  ‘window’
overall.concordance.period: no visible global function definition for
  ‘pt’
overall.concordance.period: no visible global function definition for
  ‘qt’
series.bootstrap: no visible global function definition for ‘runif’
site.chron : <anonymous>: no visible global function definition for
  ‘var’
site.chron : <anonymous>: no visible global function definition for
  ‘na.omit’
site.chron: no visible global function definition for ‘ts’
site.chron: no visible global function definition for ‘tsp’
stat: no visible global function definition for ‘median’
Undefined global functions or variables:
  abline arrows axis binom.test cor.test dev.size gray layout lines
  median mtext na.contiguous na.omit par points pt qt rect runif
  smooth.spline ts tsp var window
Consider adding
  importFrom("grDevices", "dev.size", "gray")
  importFrom("graphics", "abline", "arrows", "axis", "layout", "lines",
             "mtext", "par", "points", "rect")
  importFrom("stats", "binom.test", "cor.test", "median",
             "na.contiguous", "na.omit", "pt", "qt", "runif",
             "smooth.spline", "ts", "tsp", "var", "window")
to your NAMESPACE file.