DHsmooth: no visible global function definition for ‘pnorm’
EL.Huber : mm: no visible global function definition for ‘pchisq’
EL.local: no visible binding for global variable ‘bw.nrd0’
EL.means : mm: no visible global function definition for ‘pchisq’
EL.plot: no visible binding for global variable ‘bw.nrd0’
EL.smooth: no visible binding for global variable ‘bw.nrd0’
EL.smooth : mm: no visible global function definition for ‘pchisq’
EL.statistic: no visible binding for global variable ‘bw.nrd0’
ELconf: no visible global function definition for ‘qchisq’
ELconf: no visible global function definition for ‘uniroot’
Hsmooth: no visible global function definition for ‘pnorm’
Hsmooth: no visible global function definition for ‘dnorm’
deltarange.opt.pp: no visible global function definition for ‘ecdf’
deltarange.opt.pp: no visible global function definition for ‘quantile’
deltarange.opt.qdiff: no visible global function definition for
  ‘quantile’
deltarange.opt.qq: no visible global function definition for ‘ecdf’
deltarange.opt.qq: no visible global function definition for ‘quantile’
deltarange.opt.roc: no visible global function definition for ‘ecdf’
deltarange.opt.roc: no visible global function definition for
  ‘quantile’
deltasolve: no visible global function definition for ‘optimize’
kernel.dnorm: no visible global function definition for ‘dnorm’
kernel.inorm: no visible global function definition for ‘qnorm’
kernel.norm: no visible global function definition for ‘pnorm’
thetarange.opt.pp: no visible global function definition for ‘quantile’
thetarange.opt.qdiff: no visible global function definition for
  ‘quantile’
thetarange.opt.roc: no visible global function definition for
  ‘quantile’
thetasolve: no visible global function definition for ‘uniroot’
Undefined global functions or variables:
  bw.nrd0 dnorm ecdf optimize pchisq pnorm qchisq qnorm quantile
  uniroot
Consider adding
  importFrom("stats", "bw.nrd0", "dnorm", "ecdf", "optimize", "pchisq",
             "pnorm", "qchisq", "qnorm", "quantile", "uniroot")
to your NAMESPACE file.