legend.lshorth: no visible global function definition for 'legend'
legend.lshorth: no visible global function definition for 'strwidth'
legend.lshorth: no visible global function definition for 'text'
plot.lshorth: no visible global function definition for 'plot.new'
plot.lshorth: no visible global function definition for 'plot.window'
plot.lshorth: no visible global function definition for 'axis'
plot.lshorth: no visible global function definition for 'title'
plot.lshorth: no visible global function definition for 'box'
plot.lshorth: no visible global function definition for 'lines'
plot.lshorth: no visible global function definition for 'legend'
plot.lshorth: no visible global function definition for 'strwidth'
plot.lshorth: no visible global function definition for 'text'
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for 'legend'
legend.lshorth: no visible global function definition for 'strwidth'
legend.lshorth: no visible global function definition for 'text'
plot.lshorth: no visible global function definition for 'plot.new'
plot.lshorth: no visible global function definition for 'plot.window'
plot.lshorth: no visible global function definition for 'axis'
plot.lshorth: no visible global function definition for 'title'
plot.lshorth: no visible global function definition for 'box'
plot.lshorth: no visible global function definition for 'lines'
plot.lshorth: no visible global function definition for 'legend'
plot.lshorth: no visible global function definition for 'strwidth'
plot.lshorth: no visible global function definition for 'text'
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for 'legend'
legend.lshorth: no visible global function definition for 'strwidth'
legend.lshorth: no visible global function definition for 'text'
plot.lshorth: no visible global function definition for 'plot.new'
plot.lshorth: no visible global function definition for 'plot.window'
plot.lshorth: no visible global function definition for 'axis'
plot.lshorth: no visible global function definition for 'title'
plot.lshorth: no visible global function definition for 'box'
plot.lshorth: no visible global function definition for 'lines'
plot.lshorth: no visible global function definition for 'legend'
plot.lshorth: no visible global function definition for 'strwidth'
plot.lshorth: no visible global function definition for 'text'
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for ‘legend’
legend.lshorth: no visible global function definition for ‘strwidth’
legend.lshorth: no visible global function definition for ‘text’
plot.lshorth: no visible global function definition for ‘plot.new’
plot.lshorth: no visible global function definition for ‘plot.window’
plot.lshorth: no visible global function definition for ‘axis’
plot.lshorth: no visible global function definition for ‘title’
plot.lshorth: no visible global function definition for ‘box’
plot.lshorth: no visible global function definition for ‘lines’
plot.lshorth: no visible global function definition for ‘legend’
plot.lshorth: no visible global function definition for ‘strwidth’
plot.lshorth: no visible global function definition for ‘text’
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.
legend.lshorth: no visible global function definition for 'legend'
legend.lshorth: no visible global function definition for 'strwidth'
legend.lshorth: no visible global function definition for 'text'
plot.lshorth: no visible global function definition for 'plot.new'
plot.lshorth: no visible global function definition for 'plot.window'
plot.lshorth: no visible global function definition for 'axis'
plot.lshorth: no visible global function definition for 'title'
plot.lshorth: no visible global function definition for 'box'
plot.lshorth: no visible global function definition for 'lines'
plot.lshorth: no visible global function definition for 'legend'
plot.lshorth: no visible global function definition for 'strwidth'
plot.lshorth: no visible global function definition for 'text'
Undefined global functions or variables:
  axis box legend lines plot.new plot.window strwidth text title
Consider adding
  importFrom("graphics", "axis", "box", "legend", "lines", "plot.new",
             "plot.window", "strwidth", "text", "title")
to your NAMESPACE file.