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Annoying math issue


Diverge

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Hi, i hope someone could assist me a bit. 

Basically i have a list of X amount of items where it's possible to give a negative or positive vote. 

 

I would like to calculate a daily average value, like a 0-10s scale but i just can't figure out a good solution for it.

 

Like

10 items

50 positive votes

30 negative votes

 

Any help appreciated. 

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you need to store each vote separately with its date/time so that you will have the data you need to determine which votes occurred in any 24 hour period.

 

getting the average for any date/time period would then be trivial as you can do this directly in the database query statement using an AVG() function.

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