I actually think Andrew may be understating the severity a bit. It may be common economic process to fit high dimension polynomials to data, and it sounds like we agree this may be playing too loose with the statistics by itself, even if it’s accepted. But this example is worse than s...
The observed patterns are not due to the presumed causal explanation, according to the null hypothesis. It is based on the assumption that nothing significant has occurred (see [118]). Null models can also be used to determine whether perceived differences in diversity are simply an artifact of...