Ward Boundaries in St. Louis, 2010 — ar_stl_wards • areal
Description: A simple features data set containing the 2010 Ward boundaries, which are used as districts for Alderpersons who serve as elected representatives. The OBJECTID and AREA columns are included to simulate "real" data that may have superfluous or unclear columns.

# Ward Boundaries in St. Louis, 2010

Source: `R/ar_stl_wards.R`
`ar_stl_wards.Rd`

A simple features data set containing the 2010 Ward boundaries, which are used as districts for Alderpersons who serve as elected representatives. The `OBJECTID` and `AREA` columns are included to simulate "real" data that may have superfluous or unclear columns.

    data(ar_stl_wards)

## Format

A data frame with 28 rows and 4 variables:

OBJECTID

  Artifact from ESRI data creation

WARD

  Ward number

AREA

  area of each ward

geometry

  simple features geometry

## Source

City of St. Louis

## Examples

    str(ar_stl_wards)#> Classes ‘sf’ and 'data.frame':	28 obs. of  4 variables:
    #>  $ OBJECTID: num  1 2 3 4 5 6 7 8 9 10 ...
    #>  $ WARD    : int  1 2 3 4 5 6 7 8 9 10 ...
    #>  $ AREA    : num  4.61e+07 2.68e+08 6.63e+07 5.32e+07 6.05e+07 ...
    #>  $ geometry:sfc_POLYGON of length 28; first list element: List of 1
    #>   ..$ : num [1:171, 1:2] 740184 740220 740295 740375 740541 ...
    #>   ..- attr(*, "class")= chr [1:3] "XY" "POLYGON" "sfg"
    #>  - attr(*, "sf_column")= chr "geometry"
    #>  - attr(*, "agr")= Factor w/ 3 levels "constant","aggregate",..: NA NA NA
    #>   ..- attr(*, "names")= chr [1:3] "OBJECTID" "WARD" "AREA"head(ar_stl_wards)#> Simple feature collection with 6 features and 3 fields
    #> geometry type:  POLYGON
    #> dimension:      XY
    #> bbox:           xmin: 737723.1 ymin: 4275825 xmax: 746157.7 ymax: 4295504
    #> projected CRS:  NAD83 / UTM zone 15N
    #>   OBJECTID WARD      AREA                       geometry
    #> 1        1    1  46138761 POLYGON ((740184.2 4286431,...
    #> 2        2    2 267817711 POLYGON ((742392.1 4289178,...
    #> 3        3    3  66291644 POLYGON ((742956.1 4284113,...
    #> 4        4    4  53210707 POLYGON ((739557.6 4284080,...
    #> 5        5    5  60462396 POLYGON ((744883.8 4281632,...
    #> 6        6    6  64337271 POLYGON ((742501.6 4279976,...summary(ar_stl_wards$AREA)#>      Min.   1st Qu.    Median      Mean   3rd Qu.      Max.
    #>  31401005  45229000  57746517  65494301  68302243 267817711