cpf: no visible global function definition for ‘qnorm’
cpf: no visible global function definition for ‘pnorm’
cpfpo: no visible global function definition for ‘terms’
cpfpo: no visible global function definition for ‘model.extract’
cpfpo: no visible global function definition for ‘model.matrix’
cpfpo: no visible global function definition for ‘binomial’
lines.cpf: no visible global function definition for ‘lines’
lines.cpf: no visible global function definition for ‘points’
plot.cpf: no visible global function definition for ‘plot’
plot.cpf: no visible global function definition for ‘lines’
plot.cpf: no visible global function definition for ‘points’
print.pseudocpf: no visible global function definition for ‘pchisq’
print.summary.cpf: no visible global function definition for ‘quantile’
print.summary.pseudocpf: no visible global function definition for
  ‘printCoefmat’
pseudocpf: no visible global function definition for ‘terms’
pseudocpf: no visible global function definition for ‘model.extract’
pseudocpf: no visible global function definition for ‘predict’
pseudocpf : <anonymous>: no visible global function definition for
  ‘predict’
pseudocpf: no visible global function definition for ‘model.matrix’
pseudocpf: no visible global function definition for ‘update’
pseudocpf: no visible binding for global variable ‘gaussian’
summary.pseudocpf: no visible global function definition for ‘pchisq’
summary.pseudocpf: no visible global function definition for ‘qnorm’
xyplot.cpfpo: no visible global function definition for ‘qnorm’
Undefined global functions or variables:
  binomial gaussian lines model.extract model.matrix pchisq plot pnorm
  points predict printCoefmat qnorm quantile terms update
Consider adding
  importFrom("graphics", "lines", "plot", "points")
  importFrom("stats", "binomial", "gaussian", "model.extract",
             "model.matrix", "pchisq", "pnorm", "predict",
             "printCoefmat", "qnorm", "quantile", "terms", "update")
to your NAMESPACE file.