Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for 'model.frame'
mmm2: no visible global function definition for 'model.matrix'
mmm2: no visible global function definition for 'model.response'
mmm2: no visible global function definition for 'as.formula'
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for 'model.frame'
mmm2: no visible global function definition for 'model.matrix'
mmm2: no visible global function definition for 'model.response'
mmm2: no visible global function definition for 'as.formula'
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for 'model.frame'
mmm2: no visible global function definition for 'model.matrix'
mmm2: no visible global function definition for 'model.response'
mmm2: no visible global function definition for 'as.formula'
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for ‘model.frame’
mmm2: no visible global function definition for ‘model.matrix’
mmm2: no visible global function definition for ‘model.response’
mmm2: no visible global function definition for ‘as.formula’
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
mmm2: no visible global function definition for 'model.frame'
mmm2: no visible global function definition for 'model.matrix'
mmm2: no visible global function definition for 'model.response'
mmm2: no visible global function definition for 'as.formula'
Undefined global functions or variables:
  as.formula model.frame model.matrix model.response
Consider adding
  importFrom("stats", "as.formula", "model.frame", "model.matrix",
             "model.response")
to your NAMESPACE file.