diff --git a/R/data.R b/R/data.R
index 19f92a37..e291ddb5 100644
--- a/R/data.R
+++ b/R/data.R
@@ -6,51 +6,40 @@
#'
#' `World` World map. The default projection for this world map is Eckhart IV since area sizes are preserved, which is a very important property for choropleths.
#'
-#' `NLD_prov` and `NLD_muni`, maps of the Netherlands at province and municipality level of 2013. The used projection is the Rijksdriehoekstelsel projection. **Important:** publication of these maps is only allowed when cited to Statistics Netherlands (CBS) and Kadaster Nederland as source.
+#' `NLD_prov` and `NLD_muni`, maps of the Netherlands at province and municipality level of 2013. The used projection is the Rijksdriehoekstelsel projection.
+#'
+#' **Important:** publication of these maps is only allowed when citing Statistics Netherlands (CBS) and Kadaster Nederland as source.
#'
-#' @usage data(World)
-#' @name World
#' @rdname Shapes
-#' @docType data
+#' @format NULL
#' @source for `World`
#' @source for `World`
#' @source for `NLD_prov` and `NLD_muni`.
#' @references Statistics Netherlands (2014), The Hague/Heerlen, Netherlands, .
#' @references Kadaster, the Netherlands' Cadastre, Land Registry, and Mapping Agency (2014), Apeldoorn, Netherlands, .
-NULL
+"World"
-#' @usage data(NLD_prov)
-#' @name NLD_prov
#' @rdname Shapes
-#' @docType data
-NULL
+#' @format NULL
+
+"NLD_prov"
-#' @usage data(NLD_muni)
-#' @name NLD_muni
#' @rdname Shapes
-#' @docType data
-NULL
+#' @format NULL
+"NLD_muni"
#' Spatial data of rivers
#'
-#' Spatial data of rivers, of class [`sf`][`sf::sf`]
-#'
-#' @usage data(rivers)
-#' @name rivers
-#' @docType data
#' @source
-NULL
+"rivers"
#' Spatial data of metropolitan areas
#'
-#' Spatial data of metropolitan areas, of class [`sf`][`sf::sf`]. The data includes a population times series from 1950 to (forecasted) 2030. All metro areas with over 1 million inhabitants in 2010 are included.
+#' `metro` includes a population time series from 1950 to (forecasted) 2030. All metro areas with over 1 million inhabitants in 2010 are included.
#'
-#' @usage data(metro)
-#' @name metro
-#' @docType data
#' @references United Nations, Department of Economic and Social Affairs, Population Division (2014). World Urbanization Prospects: The 2014 Revision, CD-ROM Edition.
#' @source
-NULL
+"metro"
#' Spatial data of global land cover
#'
@@ -62,8 +51,5 @@ NULL
#'
#' **Important:** publication of these maps is only allowed when cited to Tateishi et al. (2014), and when "Geospatial Information Authority of Japan, Chiba University and collaborating organizations." is shown.
#'
-#' @usage data(land)
-#' @name land
-#' @docType data
#' @references Production of Global Land Cover Data - GLCNMO2008, Tateishi, R., Thanh Hoan, N., Kobayashi, T., Alsaaideh, B., Tana, G., Xuan Phong, D. (2014), Journal of Geography and Geology, 6 (3).
-NULL
+"land"
diff --git a/man/Shapes.Rd b/man/Shapes.Rd
index 4ce69209..6b394423 100644
--- a/man/Shapes.Rd
+++ b/man/Shapes.Rd
@@ -14,11 +14,11 @@
\url{https://www.cbs.nl/} for \code{NLD_prov} and \code{NLD_muni}.
}
\usage{
-data(World)
+World
-data(NLD_prov)
+NLD_prov
-data(NLD_muni)
+NLD_muni
}
\description{
Maps of the world and the Netherlands (province and municipality level), class \code{\link[sf:sf]{sf}}
@@ -28,10 +28,13 @@ The default projections for these maps are Eckhart IV (World) and Rijksdriehoeks
\code{World} World map. The default projection for this world map is Eckhart IV since area sizes are preserved, which is a very important property for choropleths.
-\code{NLD_prov} and \code{NLD_muni}, maps of the Netherlands at province and municipality level of 2013. The used projection is the Rijksdriehoekstelsel projection. \strong{Important:} publication of these maps is only allowed when cited to Statistics Netherlands (CBS) and Kadaster Nederland as source.
+\code{NLD_prov} and \code{NLD_muni}, maps of the Netherlands at province and municipality level of 2013. The used projection is the Rijksdriehoekstelsel projection.
+
+\strong{Important:} publication of these maps is only allowed when citing Statistics Netherlands (CBS) and Kadaster Nederland as source.
}
\references{
Statistics Netherlands (2014), The Hague/Heerlen, Netherlands, \url{https://www.cbs.nl/}.
Kadaster, the Netherlands' Cadastre, Land Registry, and Mapping Agency (2014), Apeldoorn, Netherlands, \url{https://www.kadaster.nl/}.
}
+\keyword{datasets}
diff --git a/man/land.Rd b/man/land.Rd
index 66945975..1d5f24d8 100644
--- a/man/land.Rd
+++ b/man/land.Rd
@@ -4,8 +4,11 @@
\name{land}
\alias{land}
\title{Spatial data of global land cover}
+\format{
+An object of class \code{stars} with 1080 rows and 540 columns.
+}
\usage{
-data(land)
+land
}
\description{
Spatial data of global land cover, percent tree cover, and elevation of class \code{\link[stars:st_as_stars]{stars}}.
@@ -20,3 +23,4 @@ Percent Tree Cover (trees) represents the density of trees on the ground, and th
\references{
Production of Global Land Cover Data - GLCNMO2008, Tateishi, R., Thanh Hoan, N., Kobayashi, T., Alsaaideh, B., Tana, G., Xuan Phong, D. (2014), Journal of Geography and Geology, 6 (3).
}
+\keyword{datasets}
diff --git a/man/metro.Rd b/man/metro.Rd
index d20e86e2..a33d9dd2 100644
--- a/man/metro.Rd
+++ b/man/metro.Rd
@@ -4,15 +4,19 @@
\name{metro}
\alias{metro}
\title{Spatial data of metropolitan areas}
+\format{
+An object of class \code{sf} (inherits from \code{data.frame}) with 436 rows and 13 columns.
+}
\source{
\url{https://population.un.org/wup/}
}
\usage{
-data(metro)
+metro
}
\description{
-Spatial data of metropolitan areas, of class \code{\link[sf:sf]{sf}}. The data includes a population times series from 1950 to (forecasted) 2030. All metro areas with over 1 million inhabitants in 2010 are included.
+\code{metro} includes a population time series from 1950 to (forecasted) 2030. All metro areas with over 1 million inhabitants in 2010 are included.
}
\references{
United Nations, Department of Economic and Social Affairs, Population Division (2014). World Urbanization Prospects: The 2014 Revision, CD-ROM Edition.
}
+\keyword{datasets}
diff --git a/man/rivers.Rd b/man/rivers.Rd
index 72c3f2fc..58382d57 100644
--- a/man/rivers.Rd
+++ b/man/rivers.Rd
@@ -4,12 +4,16 @@
\name{rivers}
\alias{rivers}
\title{Spatial data of rivers}
+\format{
+An object of class \code{sf} (inherits from \code{data.frame}) with 1616 rows and 5 columns.
+}
\source{
\url{https://www.naturalearthdata.com}
}
\usage{
-data(rivers)
+rivers
}
\description{
-Spatial data of rivers, of class \code{\link[sf:sf]{sf}}
+Spatial data of rivers
}
+\keyword{datasets}