Why use RPD?
Message posted by Ron Gauthier (via 128.49.136.43) on June 28, 2001 at 9:13 PM (ET)

Now that I realize I've been meaning average % change when saying RPD and I see that RPD is completely different (the % difference of the difference in 2 #s from their mean), why would we use this statistic? As the two numbers get further away from each other, the RPD goes down while the % change goes up (counter-intuitive to me)?

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Re: Why use RPD?
Message posted by JG (via 128.8.24.165) on June 28, 2001 at 10:56 PM (ET)