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January 17th, 2016, 05:47 PM   #1
Joined: Jan 2016
From: Texas

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Adding weight to a value between two limits

It's been a while since I've taken a math course and I need help.

I am trying to develop an algorithm that will look at a file, run it through 50 antiviruses, get the ratio of what detected it as "bad," add weight to the value based on those AV's that were deemed "reliable" and limit the value between 1 and 10. Obviously a lower detection rate (e.g. 15/50) would have a higher score if 4 of the AV's were "reliable" compared to a higher detection rate (40/50) since those AV's would probably be among the list.

Last edited by skipjack; January 17th, 2016 at 10:07 PM.
jstauffer is offline  
May 22nd, 2016, 02:37 AM   #2
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Hey jstauffer.

If you scale every value by the sum of all the values you will always get a total one one.

You can multiply that by some number (like N = 10) to get it between 0 and 10 and you can adjust to be 1-10 by multiplying it by N = 9 and adding 1.

This is the simplest way of doing a linear combination of linear weighted variables to lie in that kind of interval.
chiro is offline  

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