Kernel: no visible binding for global variable 'dnorm'
Lsquare: no visible global function definition for 'lm'
Lsquare: no visible global function definition for 'residuals'
Lsquare: no visible global function definition for 'fitted'
Lsquare: no visible global function definition for 'nlm'
add.hdr: no visible global function definition for 'polygon'
calc.falpha: no visible global function definition for 'approx'
calc.falpha: no visible global function definition for 'quantile'
cde: no visible global function definition for 'approx'
cde: no visible global function definition for 'ksmooth'
cde: no visible global function definition for 'predict'
cdeband.Mbh: no visible global function definition for 'lm'
cdeband.bootstrap: no visible global function definition for 'lm'
cdeband.bootstrap: no visible global function definition for 'deviance'
cdeband.bootstrap: no visible global function definition for 'fitted'
cdeband.bootstrap: no visible global function definition for 'approx'
cdeband.bootstrap: no visible global function definition for 'dnorm'
cdeband.bootstrap: no visible global function definition for 'rnorm'
cdeband.bootstrap: no visible global function definition for 'predict'
cdeband.regress: no visible global function definition for 'lm'
cdeband.rules: no visible global function definition for 'lm'
cdeband.rules: no visible global function definition for 'residuals'
cdeband.rules: no visible global function definition for 'var'
cdeband.rules0: no visible global function definition for 'var'
densDPI: no visible global function definition for 'sd'
densDPI: no visible global function definition for 'quantile'
drvKDE: no visible global function definition for 'pnorm'
drvKDE: no visible global function definition for 'dnorm'
gern: no visible global function definition for 'dnorm'
hdr.2d: no visible global function definition for 'quantile'
hdr.boxplot: no visible global function definition for 'gray'
hdr.boxplot: no visible global function definition for 'plot'
hdr.boxplot: no visible global function definition for 'axis'
hdr.boxplot: no visible global function definition for 'polygon'
hdr.boxplot: no visible global function definition for 'lines'
hdr.boxplot: no visible global function definition for 'points'
hdr.boxplot.2d: no visible global function definition for 'gray'
hdr.boxplot.2d: no visible global function definition for 'plot'
hdr.cde: no visible global function definition for 'plot.default'
hdr.cde: no visible global function definition for 'axis'
hdr.cde: no visible global function definition for 'gray'
hdr.cde: no visible global function definition for 'matpoints'
hdr.den: no visible global function definition for 'plot'
hdr.den: no visible global function definition for 'lines'
hdr.ends: no visible global function definition for 'approx'
hdrbw: no visible global function definition for 'rnorm'
hdrbw: no visible global function definition for 'approx'
hdrbw: no visible global function definition for 'quantile'
hdrbw: no visible global function definition for 'par'
hdrbw: no visible global function definition for 'plot'
hdrbw: no visible global function definition for 'lines'
hdrbw: no visible global function definition for 'points'
hdrbw : riskFuns: no visible global function definition for 'dnorm'
hdrbw : riskFuns: no visible global function definition for 'pnorm'
hdrbw: no visible global function definition for 'dnorm'
hdrbw: no visible global function definition for 'pnorm'
hdrcde.filled.contour: no visible binding for global variable
  'cm.colors'
hdrcde.filled.contour: no visible global function definition for
  'plot.new'
hdrcde.filled.contour: no visible global function definition for
  'plot.window'
hdrcde.filled.contour: no visible global function definition for
  '.filled.contour'
hdrcde.filled.contour: no visible global function definition for
  'title'
hdrcde.filled.contour: no visible global function definition for 'Axis'
hdrcde.filled.contour: no visible global function definition for 'box'
hdrconf: no visible global function definition for 'approx'
hdrconf: no visible global function definition for 'qnorm'
kern: no visible global function definition for 'dnorm'
modalreg: no visible global function definition for 'quantile'
modalreg: no visible global function definition for 'runif'
modalreg: no visible global function definition for 'plot'
modalreg: no visible global function definition for 'points'
modalreg: no visible global function definition for 'lines'
plot.cde: no visible global function definition for 'n2mfrow'
plot.cde: no visible global function definition for 'par'
plot.hdr2d: no visible global function definition for 'gray'
plot.hdr2d: no visible global function definition for 'contour'
plot.hdr2d: no visible global function definition for 'points'
plot.hdrconf: no visible global function definition for 'plot'
plot.hdrconf: no visible global function definition for 'axis'
plot.hdrconf: no visible global function definition for 'abline'
plot.hdrconf: no visible global function definition for 'lines'
plot.hdrconf: no visible global function definition for 'gray'
stacked.plot: no visible global function definition for 'plot'
stacked.plot: no visible global function definition for 'mtext'
stacked.plot: no visible global function definition for 'par'
stacked.plot: no visible global function definition for 'persp'
stacked.plot: no visible global function definition for 'lines'
stacked.plot: no visible global function definition for 'text'
stacked.plot: no visible global function definition for 'polygon'
tdensity: no visible global function definition for 'density'
Undefined global functions or variables:
  .filled.contour Axis abline approx axis box cm.colors contour density
  deviance dnorm fitted gray ksmooth lines lm matpoints mtext n2mfrow
  nlm par persp plot plot.default plot.new plot.window pnorm points
  polygon predict qnorm quantile residuals rnorm runif sd text title
  var
Consider adding
  importFrom("grDevices", "cm.colors", "gray", "n2mfrow")
  importFrom("graphics", ".filled.contour", "Axis", "abline", "axis",
             "box", "contour", "lines", "matpoints", "mtext", "par",
             "persp", "plot", "plot.default", "plot.new", "plot.window",
             "points", "polygon", "text", "title")
  importFrom("stats", "approx", "density", "deviance", "dnorm", "fitted",
             "ksmooth", "lm", "nlm", "pnorm", "predict", "qnorm",
             "quantile", "residuals", "rnorm", "runif", "sd", "var")
to your NAMESPACE file.