catto_median.data.frame : <anonymous>: no visible global function
  definition for ‘median’
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
catto_median.data.frame : <anonymous>: no visible global function
  definition for ‘median’
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
catto_median.data.frame : <anonymous>: no visible global function
  definition for ‘median’
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
catto_median.data.frame : <anonymous>: no visible global function
  definition for ‘median’
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
catto_median.data.frame : <anonymous>: no visible global function
  definition for 'median'
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
catto_median.data.frame : <anonymous>: no visible global function
  definition for ‘median’
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
catto_median.data.frame : <anonymous>: no visible global function
  definition for ‘median’
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
catto_median.data.frame : <anonymous>: no visible global function
  definition for 'median'
Undefined global functions or variables:
  median
Consider adding
  importFrom("stats", "median")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.1/cattonum.Rcheck/00install.out' for details.