[R-sig-Geo] Merging Shape files

[Zia Ahmed]

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.locke using 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 <
> eelkoudouss using 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
> >
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> >
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> >
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