BM: no visible global function definition for 'rnorm'
BrownianMotion: no visible global function definition for 'rnorm'
Conditional.MonteCarlo.ExpressCertificate.Classic: no visible global
  function definition for 'rnorm'
Conditional.MonteCarlo.ExpressCertificate.Classic: no visible global
  function definition for 'rnorm.halton'
Conditional.MonteCarlo.ExpressCertificate.Classic: no visible global
  function definition for 'rnorm.sobol'
EasyExpressCertificate: no visible global function definition for
  'CashOrNothingOption'
EasyExpressCertificate: no visible global function definition for
  'GBSOption'
ExpressCertificate: no visible global function definition for
  'GBSOption'
ExpressCertificate.Classic: no visible global function definition for
  'integrate'
GBM: no visible global function definition for 'rnorm'
GBMMatrix: no visible global function definition for 'rnorm'
GeometricBrownianMotion: no visible global function definition for
  'rnorm'
GeometricBrownianMotionMatrix: no visible global function definition
  for 'rnorm'
calcBMProbability: no visible global function definition for 'pnorm'
calcGBMProbability: no visible global function definition for 'pnorm'
calcRedemptionProbabilities: no visible global function definition for
  'pnorm'
calcStopProbabilities: no visible global function definition for
  'pnorm'
calculate.conditional.props: no visible global function definition for
  'pnorm'
calculateProbabilityBrownianMotion: no visible global function
  definition for 'pnorm'
calculateProbabilityGeometricBrownianMotion: no visible global function
  definition for 'pnorm'
cdf.GBM.Min: no visible global function definition for 'pnorm'
cdf.M_t: no visible global function definition for 'pnorm'
cdf.m_t: no visible global function definition for 'pnorm'
joint.cdf.GBM.Min.Poulsen: no visible global function definition for
  'pnorm'
joint.cdf.M_s.B_t: no visible global function definition for 'pnorm'
joint.cdf.M_s.B_t1: no visible global function definition for 'pnorm'
joint.cdf.M_t.B_t: no visible global function definition for 'pnorm'
joint.cdf.m_s.B_t: no visible global function definition for 'pnorm'
joint.cdf.m_s.B_t1: no visible global function definition for 'pnorm'
joint.cdf.m_t.B_t: no visible global function definition for 'pnorm'
probInRange: no visible global function definition for 'pnorm'
rBrownianBridgeMinimum: no visible global function definition for
  'rexp'
shortfall_risk: no visible global function definition for 'pnorm'
Undefined global functions or variables:
  CashOrNothingOption GBSOption integrate pnorm rexp rnorm rnorm.halton
  rnorm.sobol
Consider adding
  importFrom("stats", "integrate", "pnorm", "rexp", "rnorm")
to your NAMESPACE file.