[Asrg] differential confidence

Chris Lewis clewis at nortel.com
Thu Dec 4 12:46:48 PST 2008


Lewis, Chris (CAR:W669) wrote:
> Dave CROCKER wrote:
>> Chris Lewis wrote:
>>> Dave CROCKER wrote:
>>>> Chris Lewis wrote:
>>>>>   Each of the numbers is
>>>>> scaled differently in a computation something like this:
>>>>>
>>>>> if (((complaints * cf + contentblocked * bf + trap * tf) / non-blocked)
>>>>>> 1) {
>> ...
>>>> But you don't cite any of the "good" attributes, nevermind scaling factors, per 
>>>> your reference to good/bad.
>>> Not quite - the counts in the numerator are "bads" and in the
>>> denominator the "goods".  Each of the counts have scaling factors
>>> (normalized so that "passed through"'s scaling factor is 1).
>> damn. apologies.  I missed the right-most part of the equation.
>>
>> now that I'm seeing it, where is the factor for it (non-blocked * nbf)?
> 
> In that equation, all of the other factors are scaled so that the scale
> factor for non-blocked is 0.

Urp.  1.


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