Total success: accurately and credibly predicts land values and property values
Meh: predicts property values and land values, but is more or less identical in performance to what the status quo assessments in Philadelphia already generate
Partial success: predicts property values and land values, but the error margin is really wide
Partial success: accurately and credibly predicts property values, but not land values
Failure: ship something, but it's broken garbage and the results are inconclusive or useless
