Dr.Martinez said:Start from the measurement rather than the conclusion.
Agreed on the substance. I would put less weight on the timescale, because two months of anything is not enough to distinguish a trend from a wobble.
Ask again with the specifics and you will get a better answer than this one.
Dr.PathRoch said:Agreed, with a caveat about community reputation: it is a lagging indicator.
This answered a question I did not know how to ask. Adding it to my notes with a link back to this thread.
Dr.Martinez said:Start from the measurement rather than the conclusion.
I am going to disagree with the direction of travel here. The thread has converged on the tidiest answer rather than the best-supported one, and those are not the same thing.
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Shop Reference StandardsOne concrete data point for the thread. The boring version of this is the one that works, and the boring version is: measure a baseline, change one variable, wait, measure again under the same conditions. Nobody wants that answer and it is still the answer.
Happy to go further on any of that.