On Thursday, June 30, 2005 10:13 AM [GMT+1=CET],
ken doo <[EMAIL PROTECTED]> wrote:

> I read somewhere that a good way to get better/more correct result is
> to use the combination of IP and User Agent.

How would that be better? If I get a different IP address from my ISP every
day, I'm going to have a unique (IP + browser) combo every day. If I keep
the same IP address, I'm going to become a new unique user once a month when
I apply a patch from Microsoft of Mozilla. As far as I can see, the
combination of browser and IP address is only like to make a single user
appear as multiple users. And the vast majority of users on a Corporate
intranet will be using the same version of browser, so they'll show the same
user-agent and the same IP address, so that's not going to fly.

> Does Analog have a parameter to extract the 'uniques' based on this
> combination?

There are many different definitions of "unique", especially in this day and
age of people using multiple browsers. If you really want to define unique
"users", then a username/password is really the only reliable way to do it -
any other measure will only be an approximation, of varying degrees of
inaccuracy.

Aengus

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