I would like to run a Kernel density analysis on point features in ArcGIS 10.2 for hotspot detection, and to do it is recommended to apply a buffer zone to the study area in order to reduce the edge effects during the kernel analysis. I would like to know how to do to figure out the most suitable buffer distance, knowing that my study area is about 331 000 km², my output cell size will be 130 m, and my search radius will be about 150 km (distance of the first statistically significant peak z-scores given by an incremental spatial autocorrelation analysis).
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