PCDReg.wf: no visible global function definition for 'optimize'
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for ‘optimize’
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for ‘optimize’
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for ‘optimize’
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for 'optimize'
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for 'optimize'
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for ‘optimize’
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for ‘optimize’
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for ‘optimize’
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for 'optimize'
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for ‘optimize’
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.
PCDReg.wf: no visible global function definition for 'optimize'
Undefined global functions or variables:
  optimize
Consider adding
  importFrom("stats", "optimize")
to your NAMESPACE file.