tsubset: Subset points from geotweets or SaptialPointsDataFrame
Description
This function do a subset points over a polygon defined by a SpatialPolygonsDataFrame. Takes the points within the Polygon and remove the points outside it.
Usage
tsubset(geotweets, pbox, transform=TRUE)
Arguments
geotweets
input Geotagged tweets as a SpatialPointsDataFrame.
pbox
A SpatialPolygonsDataFrame to get the points over it.
transform
Option TRUE by default to transform the pbox CRS (Coordinate Reference System) to geotweets CRS.