Does it make sense to use a uniform prior when no additional information is given?
- The justification of uniform priors is situation-dependent and may be subjective; the point is that there is often no clear notion of "uniform distribution". Even in the discrete case, it's not always clear how to define the set of possible worlds. A world may be divided into multiple worlds when a new feature is given. Furthermore, all priors imply some assumed knowledge about the parameters; they are never "unbiased" in the statistical sense.
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