The figures, for anyone assembling their own picture. Keep the original post as written when you update it, and add the correction underneath. An edited-away mistake is invisible to the next person who makes it.
A narrower follow-up, since the general answer is now clear:
What would you measure differently if you were starting again?
SleepDoc_PDX said:Keep the original post as written when you update it, and add the correction underneath.
Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. Pushing back on the consensus forming here. Consistency is not the same as correctness, and a board that agrees with itself quickly is usually agreeing with the first person who sounded certain.
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Shop Reference StandardsSleepDoc_PDX said:Keep the original post as written when you update it, and add the correction underneath.
That is right for the common case. Whether it is right for the case being asked about depends on a detail that has not been given.
SleepDoc_PDX said:Keep the original post as written when you update it, and add the correction underneath.
Thank you — that is the clearest version of this I have read, and I have read a lot of them. Printing the relevant bit and taking it with me.