Cluster-claim quick reference
Recall the evidence needed before using cluster or hot spot language.
What can a density heatmap safely claim? Events are visually concentrated under the chosen smoothing and scale. It does not prove statistical significance or causation by itself. Density Moran or local G for a cluster readout? Global vs local Use global tests for overall pattern and local tests for where the pattern appears. The red area is clearly a cluster, so call it one. Slide title review before an executive meeting. Your line We can call it a high-density area now. If we want "cluster" or "hot spot," I need to show the weights, statistic, and significance test. Do not…
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