Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  'lines'
points.SmithWilsonYieldCurve: no visible global function definition for
  'points'
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  'lines'
points.SmithWilsonYieldCurve: no visible global function definition for
  'points'
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  'lines'
points.SmithWilsonYieldCurve: no visible global function definition for
  'points'
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  ‘lines’
points.SmithWilsonYieldCurve: no visible global function definition for
  ‘points’
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.
Malformed Description field: should contain one or more complete sentences.
lines.SmithWilsonYieldCurve: no visible global function definition for
  'lines'
points.SmithWilsonYieldCurve: no visible global function definition for
  'points'
Undefined global functions or variables:
  lines points
Consider adding
  importFrom("graphics", "lines", "points")
to your NAMESPACE file.