summary.tsls: no visible global function definition for 'printCoefmat'
threesls: no visible global function definition for 'cor'
threesls: no visible global function definition for 'pt'
tsls.formula: no visible global function definition for 'model.matrix'
tsls.formula: no visible global function definition for
  'model.response'
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for 'printCoefmat'
threesls: no visible global function definition for 'cor'
threesls: no visible global function definition for 'pt'
tsls.formula: no visible global function definition for 'model.matrix'
tsls.formula: no visible global function definition for
  'model.response'
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for 'printCoefmat'
threesls: no visible global function definition for 'cor'
threesls: no visible global function definition for 'pt'
tsls.formula: no visible global function definition for 'model.matrix'
tsls.formula: no visible global function definition for
  'model.response'
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for ‘printCoefmat’
threesls: no visible global function definition for ‘cor’
threesls: no visible global function definition for ‘pt’
tsls.formula: no visible global function definition for ‘model.matrix’
tsls.formula: no visible global function definition for
  ‘model.response’
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
summary.tsls: no visible global function definition for 'printCoefmat'
threesls: no visible global function definition for 'cor'
threesls: no visible global function definition for 'pt'
tsls.formula: no visible global function definition for 'model.matrix'
tsls.formula: no visible global function definition for
  'model.response'
Undefined global functions or variables:
  cor model.matrix model.response printCoefmat pt
Consider adding
  importFrom("stats", "cor", "model.matrix", "model.response",
             "printCoefmat", "pt")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory