I'm trying to map a CSV with over a million lat/lon points in the US with no metadata. I've never tried to map this much data and want to know what steps I should take. I know it's too much data for QGIS so I tried splitting it into split it into to 100,000 line CSVs but then got a lot of files which I didn't know what to do with. I'm thinking it might be best to aggregate the points by census block but don't know the best way to do that using Javascript (I've never used Python) or command line tools? Any suggestions?
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