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5:05 AM
Journeyman Geek has undeleted this room.
 
An answer by a CM has been posted recently - it contains some data on deleted posts too:
2
A: How much did "advice for first-time askers" help?

Cesar MTo check this using the premises/query already mentioned in the previous answer, I first checked for the percentage of questions that were closed vs the total of undeleted questions (Intentionally excluding deleted ones to remove the deleted & closed noise). This is what we get when analyzing the...

I'll try to find a bit of time and look a bit at the data (perhaps also compare with stuff that I've posted here before - which only contained questions which were not deleted).
 

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