Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  'mvtnorm' 'survival'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for 'rmvnorm'
MRsurvival: no visible global function definition for 'optim'
MRsurvival : <anonymous>: no visible global function definition for
  'quantile'
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  'mvtnorm' 'survival'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for 'rmvnorm'
MRsurvival: no visible global function definition for 'optim'
MRsurvival : <anonymous>: no visible global function definition for
  'quantile'
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  'mvtnorm' 'survival'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for 'rmvnorm'
MRsurvival: no visible global function definition for 'optim'
MRsurvival : <anonymous>: no visible global function definition for
  'quantile'
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  ‘mvtnorm’ ‘survival’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for ‘rmvnorm’
MRsurvival: no visible global function definition for ‘optim’
MRsurvival : <anonymous>: no visible global function definition for
  ‘quantile’
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.
Malformed Title field: should not end in a period.
Packages in Depends field not imported from:
  'mvtnorm' 'survival'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
MRsurvival: no visible global function definition for 'rmvnorm'
MRsurvival: no visible global function definition for 'optim'
MRsurvival : <anonymous>: no visible global function definition for
  'quantile'
Undefined global functions or variables:
  optim quantile rmvnorm
Consider adding
  importFrom("stats", "optim", "quantile")
to your NAMESPACE file.