boot.lmf : <anonymous>: no visible global function definition for
  ‘rgamma’
boot.lmf : <anonymous>: no visible global function definition for ‘var’
ci.boot.lmf : qfn: no visible global function definition for ‘quantile’
fs: no visible global function definition for ‘optim’
lm.extract: no visible binding for global variable ‘na.exclude’
lm.extract: no visible global function definition for ‘lm’
lm.extract: no visible global function definition for ‘residuals’
lm.extract: no visible global function definition for ‘predict’
lm.extract: no visible global function definition for ‘df.residual’
lm.extract: no visible global function definition for ‘deviance’
lm.extract: no visible global function definition for ‘vcov’
lm.extract: no visible global function definition for ‘lm.influence’
lm.extract: no visible global function definition for ‘cooks.distance’
lmf: no visible binding for global variable ‘na.exclude’
lmf: no visible global function definition for ‘update.formula’
lmf: no visible global function definition for ‘terms’
lmf: no visible global function definition for ‘xtabs’
lmf: no visible global function definition for ‘var’
plot.boot.lmf: no visible global function definition for ‘plot’
plot.boot.lmf: no visible global function definition for ‘density’
plot.boot.lmf: no visible global function definition for ‘par’
plot.lmf: no visible global function definition for ‘par’
plot.lmf: no visible global function definition for ‘dev.interactive’
plot.lmf: no visible global function definition for ‘devAskNewPage’
plot.lmf : fip: no visible global function definition for ‘extendrange’
plot.lmf : fip: no visible global function definition for ‘plot’
plot.lmf : fip: no visible global function definition for ‘title’
plot.lmf : fip: no visible global function definition for ‘abline’
plot.lmf : fip: no visible global function definition for
  ‘panel.smooth’
plot.lmf : sp: no visible global function definition for ‘qqnorm’
plot.lmf : sp: no visible global function definition for ‘title’
plot.lmf : sp: no visible global function definition for ‘qqline’
plot.lmf : tp: no visible global function definition for ‘plot’
plot.lmf : tp: no visible global function definition for ‘title’
plot.lmf : tp: no visible global function definition for ‘abline’
plot.lmf : tp: no visible global function definition for ‘panel.smooth’
plot.lmf : fop: no visible global function definition for ‘plot’
plot.lmf : fop: no visible global function definition for ‘title’
plot.lmf : fop: no visible global function definition for ‘abline’
plot.lmf : fop: no visible global function definition for
  ‘panel.smooth’
plot.lmf : fop: no visible global function definition for ‘par’
plot.lmf : fop: no visible global function definition for ‘lines’
plot.lmf : fop: no visible global function definition for ‘legend’
plot.lmf : fop: no visible global function definition for ‘axis’
print.summary.boot.lmf: no visible global function definition for
  ‘printCoefmat’
print.summary.lmf: no visible global function definition for
  ‘printCoefmat’
rmnorm: no visible global function definition for ‘rnorm’
se: no visible global function definition for ‘var’
summary.boot.lmf: no visible binding for global variable ‘sd’
summary.boot.lmf: no visible global function definition for ‘sd’
summary.lmf : <anonymous> : <anonymous>: no visible global function
  definition for ‘pt’
summary.lmf : <anonymous>: no visible global function definition for
  ‘pt’
summary.lmf: no visible global function definition for ‘pt’
Undefined global functions or variables:
  abline axis cooks.distance density dev.interactive devAskNewPage
  deviance df.residual extendrange legend lines lm lm.influence
  na.exclude optim panel.smooth par plot predict printCoefmat pt qqline
  qqnorm quantile residuals rgamma rnorm sd terms title update.formula
  var vcov xtabs
Consider adding
  importFrom("grDevices", "dev.interactive", "devAskNewPage",
             "extendrange")
  importFrom("graphics", "abline", "axis", "legend", "lines",
             "panel.smooth", "par", "plot", "title")
  importFrom("stats", "cooks.distance", "density", "deviance",
             "df.residual", "lm", "lm.influence", "na.exclude", "optim",
             "predict", "printCoefmat", "pt", "qqline", "qqnorm",
             "quantile", "residuals", "rgamma", "rnorm", "sd", "terms",
             "update.formula", "var", "vcov", "xtabs")
to your NAMESPACE file.