On 1/11/20 12:53 PM, David Fetter wrote:
>
> I agree that it's a complex situation, and that many different
> approaches will eventually need to be brought to bear.
>
> What concerns me about introducing a big lump of complexity here is
> disentangling the effects of each part and of their interaction terms.
> We're not, to put it mildly, set up to do ANOVA
> (https://en.wikipedia.org/wiki/Analysis_of_variance ) , ANCOVA (
> https://en.wikipedia.org/wiki/Analysis_of_covariance ), etc. on
> changes.
>
> Given the above, I'd like to make the case for changing just this one
> thing at first and seeing whether the difference it makes is generally
> positive.
Mark, Robert, thoughts on this?
--
-David
david@pgmasters.net