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Message Posted: Thu, 12 Aug 2010 @ 14:09:30 GMT

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Hi,

If both columns in your table are each very skewed then I think that you only really have two options.

(1) try a combination of the two.

(2) add a dummy column which is a simple sequential value. This can then be a UPI.

Either of the above can be done using a standard PI'd table.

Cheers,

Dave

Ward Analytics Ltd - Information in motion ( www.ward-analytics.com )

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