abergm: no visible global function definition for 'runif'
abergm: no visible global function definition for 'cov'
bbeta: no visible global function definition for 'runif'
bbeta: no visible global function definition for 'combn'
bbeta.output: no visible binding for global variable 'sd'
bbeta.output: no visible global function definition for 'dev.new'
bbeta.output: no visible global function definition for 'par'
bbeta.output: no visible global function definition for 'density'
bbeta.output: no visible global function definition for 'axis'
bbeta.output: no visible global function definition for 'title'
bergm: no visible global function definition for 'runif'
bergm.output: no visible binding for global variable 'sd'
bergm.output: no visible global function definition for 'dev.new'
bergm.output: no visible global function definition for 'par'
bergm.output: no visible global function definition for 'plot'
bergm.output: no visible global function definition for 'density'
bergm.output: no visible global function definition for 'axis'
bergm.output: no visible global function definition for 'title'
bergmS: no visible global function definition for 'cov'
bergmS: no visible global function definition for 'var'
bergmS: no visible global function definition for 'runif'
bergmS.output: no visible global function definition for 'par'
bergmS.output: no visible global function definition for 'plot'
bergmS.output: no visible global function definition for 'axis'
bergmS.output: no visible global function definition for 'title'
bergmS.output: no visible binding for global variable 'sd'
bergmS.output: no visible global function definition for 'dev.new'
bergmS.output: no visible global function definition for 'density'
bgof: no visible binding for global variable 'quantile'
bgof: no visible global function definition for 'par'
bgof: no visible global function definition for 'boxplot'
bgof: no visible global function definition for 'axis'
bgof: no visible global function definition for 'lines'
bgof: no visible global function definition for 'title'
Undefined global functions or variables:
  axis boxplot combn cov density dev.new lines par plot quantile runif
  sd title var
Consider adding
  importFrom("grDevices", "dev.new")
  importFrom("graphics", "axis", "boxplot", "lines", "par", "plot",
             "title")
  importFrom("stats", "cov", "density", "quantile", "runif", "sd", "var")
  importFrom("utils", "combn")
to your NAMESPACE file.