Quote:
Originally Posted by Matt
For your personal stats, we treat songs very much the same way, as it depends on when you first saw the song. This can certainly be confusing, because while a song may have existed in your early shows (but gone unplayed), the clock only really starts the first time you have seen the song. So in your case, you've been to 78 shows (hey! so have I!), but if they played FOTD during that 78th show, you would currently have a user rarity of 100% for that song. If they didn't play it at your 79th show, it would go down to 50%, and so on.
This is a great concept to talk about, because having written it out for the purpose of this topic has caused me to think on it more, and that might not be the optimal way to do it. Perhaps I'll switch it to start counting all shows you've been to since the song's debut, rather than just *your* personal debut of the song, as it is now.
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Had a chance to look into this a bit deeper this morning, and my recollection was incorrect! (I've seriously written hundreds of thousands of lines of code between the site and the app, so you'll have to forgive my less-than-encyclopedic memory). I believe the way we're doing it now is sound and makes sense.
So, taking Friend of the Devil into account, here's how the calculation goes that its it at 11% for you, despite it having an overall index of 0.28%:
FOTD first performance was 7.4.15. You have seen 10 shows since (and including) that debut. That means you've seen FOTD at 10% [yes, there was a bug in the code, just fixed, so that 11.11% -> 10%] of the shows you've attended, since the song debuted.
Does that make sense?