PTSingleAssetBarrierOption2: no visible global function definition for
  'new'
newton: no visible global function definition for 'abline'
probInRange: no visible global function definition for 'pnorm'
shortfall_risk: no visible global function definition for 'pnorm'
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  ‘new’
newton: no visible global function definition for ‘abline’
probInRange: no visible global function definition for ‘pnorm’
shortfall_risk: no visible global function definition for ‘pnorm’
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
Package required but not available: ‘fOptions’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package required but not available: ‘fOptions’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
PTSingleAssetBarrierOption2: no visible global function definition for
  'new'
newton: no visible global function definition for 'abline'
probInRange: no visible global function definition for 'pnorm'
shortfall_risk: no visible global function definition for 'pnorm'
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  ‘new’
newton: no visible global function definition for ‘abline’
probInRange: no visible global function definition for ‘pnorm’
shortfall_risk: no visible global function definition for ‘pnorm’
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  ‘new’
newton: no visible global function definition for ‘abline’
probInRange: no visible global function definition for ‘pnorm’
shortfall_risk: no visible global function definition for ‘pnorm’
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  ‘new’
newton: no visible global function definition for ‘abline’
probInRange: no visible global function definition for ‘pnorm’
shortfall_risk: no visible global function definition for ‘pnorm’
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  ‘new’
newton: no visible global function definition for ‘abline’
probInRange: no visible global function definition for ‘pnorm’
shortfall_risk: no visible global function definition for ‘pnorm’
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  'new'
newton: no visible global function definition for 'abline'
probInRange: no visible global function definition for 'pnorm'
shortfall_risk: no visible global function definition for 'pnorm'
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  ‘new’
newton: no visible global function definition for ‘abline’
probInRange: no visible global function definition for ‘pnorm’
shortfall_risk: no visible global function definition for ‘pnorm’
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  ‘new’
newton: no visible global function definition for ‘abline’
probInRange: no visible global function definition for ‘pnorm’
shortfall_risk: no visible global function definition for ‘pnorm’
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').
PTSingleAssetBarrierOption2: no visible global function definition for
  'new'
newton: no visible global function definition for 'abline'
probInRange: no visible global function definition for 'pnorm'
shortfall_risk: no visible global function definition for 'pnorm'
Undefined global functions or variables:
  abline new pnorm
Consider adding
  importFrom("graphics", "abline")
  importFrom("methods", "new")
  importFrom("stats", "pnorm")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').