7.6 Reprojecting vector geometries:
Transforming coordinate points (vertices) and usually setting CRS
= st_transform(london_geo, "EPSG:27700") london2
= st_crs(london_geo) # see with london_proj
crs_lnd class(crs_lnd) # we already see that
## [1] "crs"
names(crs_lnd) # same
## [1] "input" "wkt"
$Name crs_lnd
## [1] "WGS 84"
$proj4string crs_lnd
## [1] "+proj=longlat +datum=WGS84 +no_defs"
$epsg crs_lnd
## [1] 4326