Looks like everyone is just downloading pretrained models or opensource packages. Those are surely faster. But not intellectually fulfilling. Are there any companies that do some advanced ML work? Except famous ones like G, FB or openai
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I think the model itself is not the hard aspect of ML, but rather the problem you are trying to solve, the type of data/signals you have access to, how the model would run in the product. Each of these aspects need pretty much their own teams
Quant funds, research, or your own company