# ValLeastSquaresSlope ( XValueList ; YValueList ; Xmean ; Ymean )

Calculates the slope of a set of X,Y pairs by least squares fit

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Bill Thurmes MDCA http://www.miyotadca.com |

Sample input:

ValLeastSquaresSlope ( "8¶2¶11" ; "3¶10¶3" ; 7 ; 5.333333 )

Sample output:

-0.833333

Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Calculates the slope of a set of X,Y pairs by applying a least squares fit

Note: The ¶-delimited list of X values must have the same ValueCount as the ¶-delimited list of Y values

## Comments

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