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I judge by our general inability to explain most of our intuitive decisions (intuition is basically trained pattern recognition neural network without reflectio
by slver 5y ago
I judge by our general inability to explain most of our intuitive decisions (intuition is basically trained pattern recognition neural network without reflection, much like artificial ML).
A great sports player often makes a lousy coach. They often can't articulate how they play, how they move, and how they think, except in the broadest strokes.
All our formal/reflective models are evolved entirely independently of our intuition. They're supported by our intuition (release ball, ball drops, gravity) as a heuristic, but not explained by it. They're independent in terms of logical frame.
I suspect a similar thing will occur in ML. We'll have our black box ML that produces great results which we can't explain. And we'll have other NN models that arrive at reflective models, which however are far less insightful on their own (at least per watt consumed, let's say).
The trouble is that we expect to sit down and debug a series of equations in a NN and come up with a "factual nugget" or a few, that explains what happened. Actually correlation often doesn't work this way. You just correlate dozens of mundane factors that vary by one degree between outcomes, and you happen to be able to produce a solid result from that.
Expecting specific models in a NN is a bit like inspecting a dog photo on your phone under a magnifying glass, expecting to learn more about the dog. Instead you cease seeing a dog, and start seeing arbitrary colored pixels.