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I have a point shapefile representing settlements. I want to calculate the density of settlement per 100 square kilometers. Should I use point or kernel density? I am working with ArcGIS. Is there any way to achieve this directly from the density analysis, or is there another way?

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Do you already have the area of interest as a polygon or area? Or are you wanting to calculate an area based off the points (i.e., convex hull)? – Baltok Feb 19 '13 at 20:13
    
@Baltok I already have an area of interest which is a polygon representing an administrative unit. I also specified it in Environments>Raster Analysis>Mask. – Cezar B Feb 19 '13 at 20:24

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