Simple way to subset SpatialPolygonsDataFrame (i.e. delete polygons) by attribute in R
looks like you’re overwriting the data, but not removing the polygons. If you want to cut down the dataset including both data and polygons, try e.g. world.map <- world.map[world.map$AREA > 30000,] plot(world.map) [[Edit 19 April, 2016]] That solution used to work, but @Bonnie reports otherwise for a newer R version (though perhaps the data has … Read more