Which is the best way of working with PostGIS data in R?

[المشرف العام]

I work with R almost all the time, and now I am using it for doing spatial data mining, but I have this question: I have a PostGIS database with (obviously) GIS data, If I want to make statistical spatial analysis and plot maps, Which is the best way of doing: exporting the tables as shapefiles or working directly to the database? Someone could describe a kind of workflow?

Thanks in advance



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