# Can GeoHistogram deal with large data sets?

Posted 2 months ago
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 I have been trying to run GeoHistogram on a data set of around 1.3 million coordinate pairs, but I keep getting errors (different ones depending on the Mathematica version; tried 11.1 and 11.3 on Mac and Win). The "geos" data set consists of a list of pairs like this: {37.4404,-121.87} with some pairs repeated more or less often within the data set. The GeoHistogram call is simply this: GeoHistogram[geos, PlotTheme -> "Scientific", ImageSize -> Full] Has anybody else been having problems with this? Thanks, Johan
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Posted 2 months ago
 Hi Johan,unfortunately you did not post a working example, so I just can guess that the problem is that your geos data are not declared as GeoPosition. A minimal working code sample would be: GeoHistogram[{GeoPosition[{37.4404, -121.87}]}, PlotTheme -> "Scientific", ImageSize -> Full] Regards -- Henrik