One concrete data point for the thread. One practical note: write down what you did and when, before you need it. Reconstructing a timeline from memory three months later is how people end up unable to answer the one question that would have resolved it.
Following on from carl_compliance — and this may be the naive question:
What would you measure differently if you were starting again?
lisa_labSD said:One practical note: write down what you did and when, before you need it.
There is a second half to this that has not been said yet. The version of this that has an answer is narrower than the version being asked. Narrow it and it becomes tractable; leave it broad and the thread will produce nine confident and incompatible replies.
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Shop Reference StandardsClosing the loop on my own question.
Update — I was wrong in the opening post, specifically about the direction. Correcting it here rather than editing it away.
LindaRN_retired said:The version of this that has an answer is narrower than the version being asked.
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.