cartography: Thematic Cartography

#' @title Nuts3 Regions
#' @name nuts3.spdf
#' @description Delineations of EU administrative units (level 3, 2006 version).
#' @format SpatialPolygonsDataFrame.
#' @details This SpatialPolygonsDataFrame can be used with the nuts3.df data frame 
#' @field id Unique nuts id (character)
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title Nuts2 Regions
#' @name nuts2.spdf
#' @description Delineations of EU administrative units (level 2, 2006 version).
#' @format SpatialPolygonsDataFrame.
#' @details This SpatialPolygonsDataFrame can be used with the nuts2.df data frame 
#' @field id Unique nuts id (character)
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title Nuts1 Regions
#' @name nuts1.spdf
#' @description Delineations of EU administrative units (level 1, 2006 version).
#' @format SpatialPolygonsDataFrame.
#' @details This SpatialPolygonsDataFrame can be used with the nuts1.df data frame 
#' @field id Unique nuts id (character)
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title Nuts0 Regions
#' @name nuts0.spdf
#' @description Delineations of EU administrative units (level 0, 2006 version).
#' @format SpatialPolygonsDataFrame.
#' @details This SpatialPolygonsDataFrame can be used with the nuts0.df data frame 
#' @field id Unique nuts id (character)
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title Nuts0 Dataset
#' @name nuts0.df
#' @description This dataset contains some socio-economic data
#' @details This data frame can be used with the SpatialPolygonsDataFrame 
#' nuts0.spdf
#' @field id Unique nuts id (character)
#' @field emp2008 Active population in employment in 2008 (thousands persons) 
#' (numeric)
#' @field act2008 Active population in 2008 (thousands persons) (numeric)
#' @field unemp2008 Active population unemployed in 2008 (thousands persons) 
#' (numeric)
#' @field birth_2008 Number of birth in 2008 (live birth) (numeric)
#' @field death_2008 Number of death in 2008 (death) (numeric)
#' @field gdppps1999 Gross domestic product (Purchasing Power Standards) in 
#' 1999 (million euros) (numeric)
#' @field gdppps2008 Gross domestic product (Purchasing Power Standards) in 
#' 2008 (million euros) (numeric)
#' @field pop1999 Total population in 1999 (inhabitants) (numeric)
#' @field pop2008 Total population in 2008 (inhabitants) (numeric)
#' @source UMS RIATE - Data extraction: 2011; data validity: 2008.
#' @docType data
#' @keywords internal
NULL

#' @title Nuts1 Dataset
#' @name nuts1.df
#' @description This dataset contains some socio-economic data
#' @details This data frame can be used with the SpatialPolygonsDataFrame 
#' nuts1.spdf
#' @field id Unique nuts id (character)
#' @field emp2008 Active population in employment in 2008 (thousands persons) 
#' (numeric)
#' @field act2008 Active population in 2008 (thousands persons) (numeric)
#' @field unemp2008 Active population unemployed in 2008 (thousands persons) 
#' (numeric)
#' @field birth_2008 Number of birth in 2008 (live birth) (numeric)
#' @field death_2008 Number of death in 2008 (death) (numeric)
#' @field gdppps1999 Gross domestic product (Purchasing Power Standards) in 1999 
#' (million euros) (numeric)
#' @field gdppps2008 Gross domestic product (Purchasing Power Standards) in 2008 
#' (million euros) (numeric)
#' @field pop1999 Total population in 1999 (inhabitants) (numeric)
#' @field pop2008 Total population in 2008 (inhabitants) (numeric)
#' @source UMS RIATE - Data extraction: 2011; data validity: 2008.
#' @docType data
#' @keywords internal
NULL

#' @title Nuts2 Dataset
#' @name nuts2.df
#' @description This dataset contains some socio-economic data
#' @details This data frame can be used with the SpatialPolygonsDataFrame 
#' nuts2.spdf
#' @field id Unique nuts id (character)
#' @field emp2008 Active population in employment in 2008 (thousands persons) 
#' (numeric)
#' @field act2008 Active population in 2008 (thousands persons) (numeric)
#' @field unemp2008 Active population unemployed in 2008 (thousands persons) 
#' (numeric)
#' @field birth_2008 Number of birth in 2008 (live birth) (numeric)
#' @field death_2008 Number of death in 2008 (death) (numeric)
#' @field gdppps1999 Gross domestic product (Purchasing Power Standards) in 1999 
#' (million euros) (numeric)
#' @field gdppps2008 Gross domestic product (Purchasing Power Standards) in 2008 
#' (million euros) (numeric)
#' @field pop1999 Total population in 1999 (inhabitants) (numeric)
#' @field pop2008 Total population in 2008 (inhabitants) (numeric)
#' @source UMS RIATE - Data extraction: 2011; data validity: 2008.
#' @docType data
#' @keywords internal
NULL

#' @title Nuts3 Dataset
#' @name nuts3.df
#' @description This dataset contains some socio-economic data
#' @details This data frame can be used with the SpatialPolygonsDataFrame 
#' nuts3.spdf
#' @field id Unique nuts id (character)
#' @field birth_2008 Number of birth in 2008 (live birth) (numeric)
#' @field death_2008 Number of death in 2008 (death) (numeric)
#' @field gdppps1999 Gross domestic product (Purchasing Power Standards) in 1999 
#' (million euros) (numeric)
#' @field gdppps2008 Gross domestic product (Purchasing Power Standards) in 2008 
#' (million euros) (numeric)
#' @field pop1999 Total population in 1999 (inhabitants) (numeric)
#' @field pop2008 Total population in 2008 (inhabitants) (numeric)
#' @source UMS RIATE - Data extraction: 2011; data validity: 2008.
#' @docType data
#' @keywords internal
NULL

#' @title Coastline of Europe
#' @name coasts.spdf
#' @description Coastline of Europe.
#' @format SpatialLinesDataFrame.
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title Frame around Europe
#' @name frame.spdf
#' @description Frame around European countries.
#' @format SpatialPolygonsDataFrame.
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title Graticule around Europe
#' @name graticule.spdf
#' @description Graticule around Europe.
#' @format SpatialLines.
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL


#' @title Countries in the European Area
#' @name countries.spdf
#' @description Countries in the European area.
#' @format SpatialPolygonsDataFrame.
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title World Background
#' @name world.spdf
#' @description World background.
#' @format SpatialPolygonsDataFrame.
#' @source UMS RIATE - \url{https://riate.cnrs.fr/}
#' @docType data
#' @keywords internal
NULL

#' @title Twin Cities Dataset
#' @name twincities.df
#' @description This dataset contains the number of international twinning 
#' agreements between cities. Agreements are aggregated at nuts2 level.
#' @details This data frame can be used with the SpatialPolygonsDataFrame 
#' nuts2.spdf
#' @field i nuts2 identifier
#' @field j nuts2 identifier
#' @field fij number of agreements
#' @source Adam Ploszaj - Centre for European Regional and Local Studies EUROREG, 
#' University of Warsaw, Poland. 
#' Primary source: Wikipedia, 2011.
#' @docType data
#' @keywords internal
NULL