ChainBinomial: no visible global function definition for 'par'
ChainBinomial: no visible global function definition for 'plot'
ChainPoisson: no visible global function definition for 'par'
ChainPoisson: no visible global function definition for 'plot'
CurtBinomial: no visible global function definition for 'pbinom'
CurtBinomial: no visible global function definition for 'plot'
DSPlanBinomial: no visible global function definition for 'pbinom'
DSPlanBinomial: no visible global function definition for 'dbinom'
DSPlanBinomial: no visible global function definition for 'par'
DSPlanBinomial: no visible global function definition for 'plot'
DSPlanPoisson: no visible global function definition for 'ppois'
DSPlanPoisson: no visible global function definition for 'dpois'
DSPlanPoisson: no visible global function definition for 'par'
DSPlanPoisson: no visible global function definition for 'plot'
LSP: no visible global function definition for 'par'
LSP: no visible global function definition for 'plot'
LSP: no visible global function definition for 'title'
SSPDesignBinomial : nl: no visible global function definition for
  'pbinom'
SSPDesignBinomial : nu: no visible global function definition for
  'pbinom'
SSPDesignPoisson : nl: no visible global function definition for
  'ppois'
SSPDesignPoisson : nu: no visible global function definition for
  'ppois'
SSPlanBinomial: no visible global function definition for 'pbinom'
SSPlanBinomial: no visible global function definition for 'par'
SSPlanBinomial: no visible global function definition for 'plot'
SSPlanHyper: no visible global function definition for 'phyper'
SSPlanHyper: no visible global function definition for 'par'
SSPlanHyper: no visible global function definition for 'plot'
SSPlanPoisson: no visible global function definition for 'ppois'
SSPlanPoisson: no visible global function definition for 'par'
SSPlanPoisson: no visible global function definition for 'plot'
SeqDesignBinomial: no visible global function definition for 'plot'
SequentialBinomial: no visible global function definition for 'par'
SequentialBinomial: no visible global function definition for 'plot'
SequentialBinomial: no visible global function definition for 'title'
VSPDesign: no visible global function definition for 'qnorm'
VSPKnown: no visible global function definition for 'qnorm'
VSPKnown: no visible global function definition for 'pnorm'
VSPKnown: no visible global function definition for 'par'
VSPKnown: no visible global function definition for 'plot'
VSPUnknown: no visible global function definition for 'qnorm'
VSPUnknown: no visible global function definition for 'pnorm'
VSPUnknown: no visible global function definition for 'par'
VSPUnknown: no visible global function definition for 'plot'
plot.AccSampPlan: no visible global function definition for 'par'
plot.AccSampPlan: no visible global function definition for 'plot'
plot.AccSampPlan: no visible global function definition for 'dev.new'
plot.AccSampPlan: no visible global function definition for 'title'
plot.CurtSampPlan: no visible global function definition for 'plot'
plot.CurtSampPlan: no visible global function definition for 'par'
plot.CurtSampPlan: no visible global function definition for 'legend'
plot.SeqSampPlan: no visible global function definition for 'plot'
plot.SeqSampPlan: no visible global function definition for 'par'
plot.SeqSampPlan: no visible global function definition for 'title'
plot.SeqSampPlan: no visible global function definition for 'axis'
plot.SeqSampPlan: no visible global function definition for 'text'
plot.SeqSampPlan: no visible global function definition for 'median'
Undefined global functions or variables:
  axis dbinom dev.new dpois legend median par pbinom phyper plot pnorm
  ppois qnorm text title
Consider adding
  importFrom("grDevices", "dev.new")
  importFrom("graphics", "axis", "legend", "par", "plot", "text",
             "title")
  importFrom("stats", "dbinom", "dpois", "median", "pbinom", "phyper",
             "pnorm", "ppois", "qnorm")
to your NAMESPACE file.