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Take a look at the raster function in the raster package. It will let you create a raster with a specified extent, number of rows/columns and resolution. Here I will use characteristics of your data summary to create a 100x100 raster within the specified extent. I am passing an extent object to define the x and y limits. You can also use the specific ...


If I understand your desired outcome correctly, you would like a count (richness) of species for each grid cell in the defined raster. I cannot speak to the differences between R and QGIS but I came up with a much more optimized and faster way to conduct your analysis. I leverage the raster package and use a raster stack to accumulate species. The workflow ...

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