.gxuEBM: no visible global function definition for ‘pnorm’
.gxuEBM: no visible global function definition for ‘dnorm’
.thetaEBM: no visible global function definition for ‘integrate’
CurranThompsonAsianOption: no visible global function definition for
  ‘integrate’
CurranThompsonAsianOption : f: no visible global function definition
  for ‘pnorm’
CurranThompsonAsianOption: no visible global function definition for
  ‘pnorm’
GemanYorAsianOption: no visible global function definition for
  ‘integrate’
LinetzkyAsianOption: no visible global function definition for
  ‘integrate’
LinetzkyAsianOption: no visible global function definition for ‘pgamma’
MomentMatchedAsianDensity: no visible global function definition for
  ‘dlnorm’
MomentMatchedAsianOption: no visible global function definition for
  ‘pnorm’
MomentMatchedAsianOption: no visible global function definition for
  ‘pgamma’
RogerShiThompsonAsianOption : gamma.star : func: no visible global
  function definition for ‘integrate’
RogerShiThompsonAsianOption : gamma.star: no visible global function
  definition for ‘uniroot’
RogerShiThompsonAsianOption : f: no visible global function definition
  for ‘pnorm’
RogerShiThompsonAsianOption: no visible global function definition for
  ‘integrate’
RogerShiThompsonAsianOption: no visible global function definition for
  ‘pnorm’
ThompsonAsianOption : fmu: no visible global function definition for
  ‘integrate’
ThompsonAsianOption : fw: no visible global function definition for
  ‘dnorm’
ThompsonAsianOption : fw: no visible global function definition for
  ‘pnorm’
ThompsonAsianOption : fv: no visible global function definition for
  ‘integrate’
ThompsonAsianOption: no visible global function definition for
  ‘integrate’
ZhangApproximateAsianOption: no visible global function definition for
  ‘pnorm’
d2EBM: no visible global function definition for ‘integrate’
dEBM: no visible global function definition for ‘integrate’
dgam: no visible global function definition for ‘dgamma’
djohnson: no visible global function definition for ‘dnorm’
dlognorm: no visible global function definition for ‘dlnorm’
drgam: no visible global function definition for ‘dgamma’
erf: no visible global function definition for ‘pnorm’
igamma: no visible global function definition for ‘pgamma’
pEBM: no visible global function definition for ‘integrate’
pgam: no visible global function definition for ‘pgamma’
pjohnson: no visible global function definition for ‘pnorm’
plognorm: no visible global function definition for ‘plnorm’
prgam: no visible global function definition for ‘pgamma’
Undefined global functions or variables:
  dgamma dlnorm dnorm integrate pgamma plnorm pnorm uniroot
Consider adding
  importFrom("stats", "dgamma", "dlnorm", "dnorm", "integrate", "pgamma",
             "plnorm", "pnorm", "uniroot")
to your NAMESPACE file.