What are the advantages and disadvantages of using hotspot and cluster analyses? Are there any peer-reviewed articles that discuss this topic at all? I am having a hard time finding any except for one on terrorism hotspots.
There are some of the fundamental links at the bottom of this link
How Hot Spot Analysis (Getis-Ord Gi*) works—ArcGIS Pro | Documentation
Beyond that web searches or even the Cross Validated site may be of interest
Posts containing 'hot spot' - Cross Validated (stackexchange.com)