Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  'ggplot2'
A package should be listed in only one of these fields.
Package in Depends field not imported from: 'ggplot2'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for 'ggplot'
ggroc: no visible global function definition for 'aes'
ggroc: no visible global function definition for 'geom_point'
ggroc: no visible global function definition for 'geom_line'
ggroc: no visible global function definition for 'theme'
ggroc: no visible global function definition for 'element_text'
ggroc: no visible global function definition for 'labs'
ggroc: no visible global function definition for 'ggsave'
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Found the following files/directories:
  'roc.pdf'
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Found the following files/directories:
  ‘roc.pdf’
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Found the following files/directories:
  ‘roc.pdf’
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Found the following files/directories:
  ‘roc.pdf’
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  'ggplot2'
A package should be listed in only one of these fields.
Package in Depends field not imported from: 'ggplot2'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for 'ggplot'
ggroc: no visible global function definition for 'aes'
ggroc: no visible global function definition for 'geom_point'
ggroc: no visible global function definition for 'geom_line'
ggroc: no visible global function definition for 'theme'
ggroc: no visible global function definition for 'element_text'
ggroc: no visible global function definition for 'labs'
ggroc: no visible global function definition for 'ggsave'
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Found the following files/directories:
  ‘roc.pdf’
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Found the following files/directories:
  ‘roc.pdf’
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  'ggplot2'
A package should be listed in only one of these fields.
Package in Depends field not imported from: 'ggplot2'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for 'ggplot'
ggroc: no visible global function definition for 'aes'
ggroc: no visible global function definition for 'geom_point'
ggroc: no visible global function definition for 'geom_line'
ggroc: no visible global function definition for 'theme'
ggroc: no visible global function definition for 'element_text'
ggroc: no visible global function definition for 'labs'
ggroc: no visible global function definition for 'ggsave'
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘ggplot2’
A package should be listed in only one of these fields.
Package in Depends field not imported from: ‘ggplot2’
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for ‘ggplot’
ggroc: no visible global function definition for ‘aes’
ggroc: no visible global function definition for ‘geom_point’
ggroc: no visible global function definition for ‘geom_line’
ggroc: no visible global function definition for ‘theme’
ggroc: no visible global function definition for ‘element_text’
ggroc: no visible global function definition for ‘labs’
ggroc: no visible global function definition for ‘ggsave’
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme
Malformed Description field: should contain one or more complete sentences.
Package listed in more than one of Depends, Imports, Suggests, Enhances:
  'ggplot2'
A package should be listed in only one of these fields.
Package in Depends field not imported from: 'ggplot2'
  These packages need to be imported from (in the NAMESPACE file)
  for when this namespace is loaded but not attached.
ggroc: no visible global function definition for 'ggplot'
ggroc: no visible global function definition for 'aes'
ggroc: no visible global function definition for 'geom_point'
ggroc: no visible global function definition for 'geom_line'
ggroc: no visible global function definition for 'theme'
ggroc: no visible global function definition for 'element_text'
ggroc: no visible global function definition for 'labs'
ggroc: no visible global function definition for 'ggsave'
Undefined global functions or variables:
  aes element_text geom_line geom_point ggplot ggsave labs theme