Dear community,

I want to plot only the cells of a grid that contains points.

I have a set of points (of class SpatialPointsDataFrame) and a grid (of
class SpatialPolygonDataFrame).

I am interested in ploting the set of cells of the grid that contains
points:

1.       Count how many points fall in each cell of the grid.

2.       Plot only the cells that contains points.

I tried:

library(sf)

Points.sf=st_as_sf(points)

Grid.sf=st_as_sf(grid)

A=intersects(grid.sf, points.sf)

apply(A,1,any)

There I get the cells that contains points but:

1. How can I count how many points fall in each cell

2. How could I plot the set of cells that contains points?


Thank you very much for your help,


Miguel Gómez de Antonio
Profesor Titular de Universidad
Dpto. Economía Aplicada, Pública y Política
Universidad Complutense de Madrid

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