There is a notion of an uninformative prior [0]. What would you do if you were studying a process that had not been previously studied, so you had no previous

There is a notion of an uninformative prior [0]. What would you do if you were studying a process that had not been previously studied, so you had no previous experience/data on which to base your a prior? If you wait, and choose a prior based on the data you observe then you are using an empirical Bayes method [1]. [0]: https://en.wikipedia.org/wiki/Prior_probability#Uninformative_priors https://en.wikipedia.org/wiki/Prior_probability#Uninformativ... [1]: https://en.wikipedia.org/wiki/Empirical_Bayes_method https://en.wikipedia.org/wiki/Empirical_Bayes_method