That is a good idea. The only problem is that media buyers and/or
companies buy blocks of a set number of impressions. Your proposed method
does not allow for traffic fluctuation and site availability fluctuation.
Each ad campaign should be based on a set number of impressions then
progmatically compared against the average impressions for the site. This
can easily be accomplished by using a nightly task that calculates the
average site impressions for the last 5-7 days then re-calculates all
campaigns based on the new average. This ensures that if a buyer purchases
100,000 impressions for 30 days, that is exactly what they get.
Chris Terrebonne
----------------------------------------------
Original Message
From: "Al Musella, DPM"<[EMAIL PROTECTED]>
Subject: RE: banner ad weighting....
Date: Thu, 13 Apr 2000 15:40:27 -0400
>There may be a much simpler way:
>
>For each ad, just have 1 field that specifies what % that ad should have.
>Whenever you add / edit an ad (maybe use a trigger), have it then fill in
>(or update) 2 more fields, call it N1 and N2, with the numbers from 0 to
>100 which represent that fraction they should get.. for example:
>
>
>Ad title Percent N1 N2
>Ad1 20 0 20
>Ad2 50 20 70
>ad3 30 70 100
>
>Now just generate a random number , R, from 0 to 100.
> Look for the ad where R is between N1 and N2
> I did something like that, and the ads come out remarkably close to the
>predicted frequency!
>
>Al Musella
>World Wide Websites
>
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