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November 18th, 2014, 07:54 AM   #1
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Mathematical calculation in Access

I have a math problem and I want to ask me pomognete.I working on complex desktop database.My main point is making the application for the simulation of tax revenue in Access 2013.

Currently I have a mathematical formula written in Access for linear regression coefficent (X and Y) RegressCoeff: (Avg (X * Y) -Avg (X) * Avg (Y)) / VarP (X), but I need a formula to work with three unknowns X, Y and Z.
Please help me glad to expand the formula to work with three X, Y and Z .
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November 20th, 2014, 04:07 AM   #2
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What are X, Y and Z?
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