Please check this: https://zia207.github.io/geospatial-r-github.io/geoprocessing-vector-data.html Best Zia
On Tue, Mar 17, 2020, 10:39 AM Dexter Locke <dexter.lo...@gmail.com> wrote: > Within st_join() see the options like "left = TRUE". > > You may also want to look at st_intersects() > > Here are other helpful reference websites: > https://r-spatial.github.io/sf/reference/geos_binary_pred.html > > https://cran.r-project.org/web/packages/sf/vignettes/sf3.html > > -Dexter > > > On Tue, Mar 17, 2020 at 10:29 AM El Mechry El Koudouss < > eelkoudo...@fordham.edu> wrote: > > > Dear readers, > > I downloaded a shapefile with data on crime incidents in Washington DC in > > 2016 (available here: > > https://opendata.dc.gov/datasets/crime-incidents-in-2016) and another > > shapefile with data on parks and recreation areas, also in Washington DC > > (available here: > > https://opendata.dc.gov/datasets/parks-and-recreation-areas). > > I was able to read both shapefiles using st_read() from the sf package. > My > > question is, how can I merge the two data sets? I tried st_join() but it > > simply resulted in empty columns from the parks dataset getting added to > > the crime data. Any guidance would be much appreciated. > > library(sf) > > parks <- st_read("Parks_and_Recreation_Areas.shp") > > crime <- st_read("Crime_Incidents_in_2016.shp") > > df <- st_join(crime, parks) > > > > -- > > El Mechry, El Koudouss (Meshry) > > Graduate Research Assistant > > Center for International Policy Studies > > Fordham University > > Department of Economics > > Website: www.meshry.com > > > > [[alternative HTML version deleted]] > > > > _______________________________________________ > > R-sig-Geo mailing list > > R-sig-Geo@r-project.org > > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > > > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo