fox: no visible binding for global variable 'sd'
fox: no visible global function definition for 'cor'
fox: no visible global function definition for 'interaction.plot'
fox: no visible global function definition for 'reorder'
kang: no visible global function definition for 'var'
kang: no visible binding for global variable 'sd'
kang: no visible global function definition for 'cor'
kang: no visible global function definition for 'interaction.plot'
kang: no visible global function definition for 'reorder'
nahu: no visible global function definition for 'interaction.plot'
nahu: no visible global function definition for 'reorder'
thsu: no visible global function definition for 'median'
thsu: no visible binding for global variable 'sd'
thsu: no visible global function definition for 'cor'
thsu: no visible global function definition for 'interaction.plot'
thsu: no visible global function definition for 'reorder'
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable 'sd'
fox: no visible global function definition for 'cor'
fox: no visible global function definition for 'interaction.plot'
fox: no visible global function definition for 'reorder'
kang: no visible global function definition for 'var'
kang: no visible binding for global variable 'sd'
kang: no visible global function definition for 'cor'
kang: no visible global function definition for 'interaction.plot'
kang: no visible global function definition for 'reorder'
nahu: no visible global function definition for 'interaction.plot'
nahu: no visible global function definition for 'reorder'
thsu: no visible global function definition for 'median'
thsu: no visible binding for global variable 'sd'
thsu: no visible global function definition for 'cor'
thsu: no visible global function definition for 'interaction.plot'
thsu: no visible global function definition for 'reorder'
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable 'sd'
fox: no visible global function definition for 'cor'
fox: no visible global function definition for 'interaction.plot'
fox: no visible global function definition for 'reorder'
kang: no visible global function definition for 'var'
kang: no visible binding for global variable 'sd'
kang: no visible global function definition for 'cor'
kang: no visible global function definition for 'interaction.plot'
kang: no visible global function definition for 'reorder'
nahu: no visible global function definition for 'interaction.plot'
nahu: no visible global function definition for 'reorder'
thsu: no visible global function definition for 'median'
thsu: no visible binding for global variable 'sd'
thsu: no visible global function definition for 'cor'
thsu: no visible global function definition for 'interaction.plot'
thsu: no visible global function definition for 'reorder'
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable ‘sd’
fox: no visible global function definition for ‘cor’
fox: no visible global function definition for ‘interaction.plot’
fox: no visible global function definition for ‘reorder’
kang: no visible global function definition for ‘var’
kang: no visible binding for global variable ‘sd’
kang: no visible global function definition for ‘cor’
kang: no visible global function definition for ‘interaction.plot’
kang: no visible global function definition for ‘reorder’
nahu: no visible global function definition for ‘interaction.plot’
nahu: no visible global function definition for ‘reorder’
thsu: no visible global function definition for ‘median’
thsu: no visible binding for global variable ‘sd’
thsu: no visible global function definition for ‘cor’
thsu: no visible global function definition for ‘interaction.plot’
thsu: no visible global function definition for ‘reorder’
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.
fox: no visible binding for global variable 'sd'
fox: no visible global function definition for 'cor'
fox: no visible global function definition for 'interaction.plot'
fox: no visible global function definition for 'reorder'
kang: no visible global function definition for 'var'
kang: no visible binding for global variable 'sd'
kang: no visible global function definition for 'cor'
kang: no visible global function definition for 'interaction.plot'
kang: no visible global function definition for 'reorder'
nahu: no visible global function definition for 'interaction.plot'
nahu: no visible global function definition for 'reorder'
thsu: no visible global function definition for 'median'
thsu: no visible binding for global variable 'sd'
thsu: no visible global function definition for 'cor'
thsu: no visible global function definition for 'interaction.plot'
thsu: no visible global function definition for 'reorder'
Undefined global functions or variables:
  cor interaction.plot median reorder sd var
Consider adding
  importFrom("stats", "cor", "interaction.plot", "median", "reorder",
             "sd", "var")
to your NAMESPACE file.