estimatep: no visible global function definition for ‘optim’
graphnp: no visible global function definition for ‘plot’
graphnp: no visible global function definition for ‘dunif’
graphnp: no visible global function definition for ‘legend’
graphnp: no visible global function definition for ‘lines’
graphnp: no visible global function definition for ‘spline’
lmp.default: no visible global function definition for ‘lm’
lmp.default: no visible global function definition for ‘residuals’
lmp.default: no visible global function definition for ‘deviance’
lmp.default: no visible global function definition for ‘df.residual’
lmp.default: no visible global function definition for ‘lm.influence’
lmp.default: no visible global function definition for ‘optim’
paramp.default: no visible global function definition for ‘optim’
paramp.default: no visible global function definition for ‘median’
paramp.default: no visible global function definition for ‘var’
plot.lmp: no visible global function definition for ‘plot’
plot.lmp: no visible global function definition for ‘abline’
plot.lmp: no visible global function definition for ‘mtext’
plot.lmp: no visible global function definition for ‘title’
plot.lmp: no visible global function definition for ‘par’
plot.lmp: no visible global function definition for ‘dev.interactive’
plot.lmp: no visible global function definition for ‘qqnorm’
plot.simul.lmp: no visible global function definition for ‘hist’
plot.simul.lmp: no visible global function definition for ‘par’
plot.simul.lmp: no visible global function definition for
  ‘dev.interactive’
plot.simul.lmp: no visible global function definition for ‘rgb’
plot.simul.lmp: no visible global function definition for ‘runif’
plot.simul.mp: no visible global function definition for ‘hist’
plot.simul.mp: no visible global function definition for ‘par’
plot.simul.mp: no visible global function definition for
  ‘dev.interactive’
pnormp: no visible global function definition for ‘pgamma’
print.summary.lmp: no visible global function definition for ‘quantile’
qnormp: no visible global function definition for ‘qgamma’
qqlinep: no visible global function definition for ‘quantile’
qqlinep: no visible global function definition for ‘abline’
qqnormp.default: no visible global function definition for ‘ppoints’
qqnormp.default: no visible global function definition for ‘plot’
qqnormp.default: no visible global function definition for ‘mtext’
rnormp: no visible global function definition for ‘rgamma’
rnormp: no visible global function definition for ‘runif’
simul.lmp: no visible global function definition for ‘as.formula’
simul.lmp: no visible global function definition for ‘runif’
simul.lmp: no visible global function definition for ‘var’
simul.mp: no visible global function definition for ‘var’
Undefined global functions or variables:
  abline as.formula dev.interactive deviance df.residual dunif hist
  legend lines lm lm.influence median mtext optim par pgamma plot
  ppoints qgamma qqnorm quantile residuals rgamma rgb runif spline
  title var
Consider adding
  importFrom("grDevices", "dev.interactive", "rgb")
  importFrom("graphics", "abline", "hist", "legend", "lines", "mtext",
             "par", "plot", "title")
  importFrom("stats", "as.formula", "deviance", "df.residual", "dunif",
             "lm", "lm.influence", "median", "optim", "pgamma",
             "ppoints", "qgamma", "qqnorm", "quantile", "residuals",
             "rgamma", "runif", "spline", "var")
to your NAMESPACE file.