File ‘gausscov/libs/gausscov.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
File ‘gausscov/libs/gausscov.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Running examples in 'gausscov-Ex.R' failed
The error most likely occurred in:

> ### Name: fgr1st
> ### Title: Calculates a dependence graph using Gaussian stepwise selection
> ### Aliases: fgr1st
> 
> ### ** Examples
> 
> data(boston)
> a<-fgr1st(boston[,1:13],ind=3:6)

Namespaces in Imports field not imported from:
  ‘calibrate’ ‘graphics’ ‘matrixStats’ ‘prettydoc’ ‘reshape2’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘calibrate’ ‘graphics’ ‘matrixStats’ ‘prettydoc’ ‘reshape2’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  'calibrate' 'graphics' 'matrixStats' 'prettydoc' 'reshape2'
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘calibrate’ ‘graphics’ ‘matrixStats’ ‘prettydoc’ ‘reshape2’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘calibrate’ ‘graphics’ ‘matrixStats’ ‘prettydoc’ ‘reshape2’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘calibrate’ ‘graphics’ ‘matrixStats’ ‘prettydoc’ ‘reshape2’
  All declared Imports should be used.

Running examples in ‘GGEBiplotGUI-Ex.R’ failed
The error most likely occurred in:

> ### Name: GGEBiplot
> ### Title: GGEBiplotGUI: Interactive GGE Biplots in R
> ### Aliases: GGEBiplot
> 
> ### ** Examples
> 
> data(Ontario)
> GGEBiplot(Data = Ontario)
Warning in tclRequire("BWidget") : Tcl package 'BWidget' not found
Error in structure(.External(.C_dotTclObjv, objv), class = "tclObj") : 
  [tcl] invalid command name "ComboBox".
Calls: GGEBiplot -> tkwidget -> tcl -> .Tcl.objv -> structure
Execution halted
Running examples in ‘GGEBiplotGUI-Ex.R’ failed
The error most likely occurred in:

> ### Name: GGEBiplot
> ### Title: GGEBiplotGUI: Interactive GGE Biplots in R
> ### Aliases: GGEBiplot
> 
> ### ** Examples
> 
> data(Ontario)
> GGEBiplot(Data = Ontario)
Warning in tclRequire("BWidget") : Tcl package 'BWidget' not found
Error in structure(.External(.C_dotTclObjv, objv), class = "tclObj") : 
  [tcl] invalid command name "ComboBox".
Calls: GGEBiplot -> tkwidget -> tcl -> .Tcl.objv -> structure
Execution halted
Running examples in ‘GGEBiplotGUI-Ex.R’ failed
The error most likely occurred in:

> ### Name: GGEBiplot
> ### Title: GGEBiplotGUI: Interactive GGE Biplots in R
> ### Aliases: GGEBiplot
> 
> ### ** Examples
> 
> data(Ontario)
> GGEBiplot(Data = Ontario)
Warning in tclRequire("BWidget") : Tcl package 'BWidget' not found
Error in structure(.External(.C_dotTclObjv, objv), class = "tclObj") : 
  [tcl] invalid command name "ComboBox".
Calls: GGEBiplot -> tkwidget -> tcl -> .Tcl.objv -> structure
Execution halted