I have created a classified image and I am seeking to evaluate it using the following workflow:

  1. Create Accuracy Assessment Points (tool)
  2. Update Accuarcy Accessment Points (tool)
  3. Compute Confusion Matrix (tool)

The workflow is demonstrated in this video: https://www.youtube.com/watch?v=-x1ipu5-7L8

When I try to generate a confusion matrix, I receive the following error: enter image description here

Troubleshooting did not yield any answers so far.

  • Please always provide all tool parameter values and error messages as formatted text rather than video and pictures. That way they are available to be searched and easily readable on all devices. – PolyGeo Mar 21 at 3:07

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