traffic_casualties_2014: Road traffic casualties

In ATFutures/geoplumber: Geospatial applications with R and frontend libraries

Road traffic casualties

Description

From OpenStreetMap

Usage

traffic_casualties_2014

Format

An object of class sf (inherits from tbl_df, tbl, data.frame) with 1652 rows and 3 columns.

Examples

## Not run: 
stplanr::dl_stats19()
ac = stplanr::read_stats19_ac() # 214 mb compressed data
ac = ac[!is.na(ac$Latitude), ]
ac_few_cols = ac[ c("Accident_Severity", "Longitude", "Latitude", "Date")]
ac_sf = sf::st_as_sf(ac_few_cols, coords = c("Longitude", "Latitude"))
sf::st_crs(ac_sf) = 4326
bb = stplanr::bb2poly(bb = sf::as_Spatial(traffic))
bb_sf = sf::st_as_sf(bb)
traffic_casualties = ac_sf[bb_sf, ]
pryr::object_size(traffic_casualties) # 2 MB
traffic_casualties_2014 = traffic_casualties[
  traffic_casualties$Date > "2014-01-01",
]
pryr::object_size(traffic_casualties_2014) # 200 kB
usethis::use_data(traffic_casualties_2014)

## End(Not run)
plot(traffic_casualties_2014$Date, traffic_casualties_2014$Accident_Severity)

ATFutures/geoplumber documentation built on July 4, 2023, 12:18 a.m.