https://issues.apache.org/bugzilla/show_bug.cgi?id=54403

            Bug ID: 54403
           Summary: [PATCH] Support of statistical function SLOPE
           Product: POI
           Version: unspecified
          Hardware: Macintosh
                OS: Mac OS X 10.4
            Status: NEW
          Severity: normal
          Priority: P2
         Component: POI Overall
          Assignee: [email protected]
          Reporter: [email protected]
    Classification: Unclassified

Created attachment 29842
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=29842&action=edit
Implementation of SLOPE

Implementation of SLOPE

Patch containing implementation of SLOPE.

Basically SLOPE is just another result from the previously implemented
INTERCEPT so I moved the Intercept-code to LinearRegressionFunction.java and
created Slope.java.

This wasn't the prettiest way to solve but I don't feel that I'm that good at
POI yet to do it in any other way.

Test cases created for Slope and everything works when running with a larger
Excel file that uses both Slope and Intercept.
One test case got input data from:
http://support.microsoft.com/kb/828142

Haven't been able to verify the documentation since I cannot get Apache Forrest
running.

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