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PhilGoetz comments on Mathematical simplicity bias and exponential functions - Less Wrong
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There is a formal theory describing how to balance model complexity against fit to data: describe the model using a program on a simple, fixed turing machine, and then penalize that model by assigning a prior probability to it of 2^-L, where L is the length of the program...
this has all been worked out.
Which Turing machine, though?
How about picking one of these?
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