How to calculate spatial hotspots and which tools do you need?
Blog post from Carto
To calculate spatial hotspots and determine which tools are most suitable, consider using either Getis-Ord* or Local Moran's I. Getis-Ord* identifies clusters of high values relative to the overall dataset, while Local Moran's I not only identifies these clusters but also detects outliers within them. When choosing between the two, consider whether you want to focus on general hotspot analysis or also identify isolated anomalies. If you're dealing with large datasets, Local Moran's I may be more suitable due to its ability to process complex calculations, but it comes at a higher processing time cost. For smaller-scale analyses, Getis-Ord* is often sufficient and faster to run. By understanding the differences between these two hotspot analysis tools and how they can be applied to your specific use case, you can unlock valuable insights into spatial trends and patterns in your location intelligence workflows.
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