Adding the clinical framing, because it changes how the question reads. Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then measure again under the same conditions.
BiostatsBrad said: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…
That is right, and it stops being right at the edges. The general case is well behaved; the interesting cases in this thread are all at the boundary where the general case breaks.
BiostatsBrad said: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…
This is exactly what I could not find anywhere else. Sending this to two other people who asked me the same thing last week.
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Browse GL BiochemFrom the other side of the consultation, briefly. If two explanations both fit, the useful question is which one predicts something the other does not. That is answerable; arguing about which sounds more plausible is not.
Moderator note: the sourcing question belongs in the vendor section and has been split out. No action needed from anybody.