When building an empirical model we typically attempt to include our understanding of the phenomenon as part of the model. This commonly describes both classical and Bayesian analyses (usually with locally uninformed priors). However, what analysis can we undertake if we have no data (new evidence) on which to apply our model. The above modeling strategy leaves us in a quandary.With no new data, we are not (necessarily) in a state of complete ignorance and this setting suggests the folly of ignoring our background knowledge in standard data analysis. If our model building strategy adequately reflects our state of knowledge plus the new data, we expect inferences from the standard approach described above to match Bayesian inference based on our informed priors plus the new data.
KeywordsEntropy Covariance Income Assure Expense
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