Suggested script/model modifications
Cluster/Outlier Analysis with Rendering
Replace with Cluster and Outlier Analysis; rendering is now automatic.
Hot Spot Analysis with Rendering
Replace with Hot Spot Analysis; rendering is now automatic.
Collect Events with Rendering
Replace with Collect Events; rendering is now automatic.
Import z-score rendering from a Hot Spot Analysis or Optimized Hot Spot Analysis output layer or from one of the z-score rendering template layers in the <ArcToolbox>/Templates/Layers folder found in the ArcGIS install directory.