The cafe I have been counting since week 1 has shut for a refit. Six weeks of data and nowhere to stand.
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Walked up on Monday and there is plywood over the window and a sign saying reopening in June.
I have six weeks of counts, a service time histogram and a fairly good idea of what Thursday lunchtime does to that counter.
What happens now? Do I start again somewhere else, or is there a version of this where the six weeks still count?
Marked as the answer
Six weeks of data on a queue that no longer exists is still six weeks of data, and the policies page covers exactly this. Pick a second site now, carry the method across, and write the change up as a comparison rather than an apology. You are not starting again.
Moved to the library loans desk. Completely different shape and I can already see it.
For what it is worth, the refit itself is a queue decision somebody made. Who waits longer now that the cafe is shut is a question with an answer.