[R] Projecting data on a world map using long/lat

[mathijsdevaan]

Hi,

I have a dataset (CSV) with some counts of firms located around the globe.
Each count is assigned to the longitude and latitude of the specific
location. Now I want to plot these counts on a world map using dots (size of
dots represent the count). I have been unable to find any info on whether
this is possible and if so, how? Can you please help me? Thanks!

Mathijs   
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