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Comment by crazygringo

I think it's important to note that human pattern recognition is basically black-box as well.

We can't "explain" how we recognize a particular person's face, for example.

Robust pattern recognition based on 100+'s of factors is just inherently black box.

Even when people make decisions, they're generally a weighted combination of a bunch of "feelings". We attempt to explain a kind of simple, logical rationalization afterwards, but psychologists have shown that this is often a bunch of post-hoc fiction.

Black box doesn't necessarily mean bad. I think the relevant question is: how do we ensure machine learning is trained and verified in ways that don't encode bias, and only used with "intended" inputs, so a model isn't being trusted to make predictions on things it wasn't trained for?

And also: when do we want to decide to use alternatives like decision trees instead -- because despite being less accurate, they can have designers who can be held legally accountable and liable, which can be more important in certain situations?

parent crazygringo 6 years ago

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