Does .NET 4 support any 6-Sigma calculation?

I will need to write an app to run statistical analysis on a DataGrid. Pp and Ppk is easy to do with standard deviation calculation in C#. But Some number such as estimated deviation (rBar/d2) used for Cp and Cpk - that is too complex (for me ) to code. Are there existing libraries, commercial or open source, that I can implement?

Solution

Extreme Optimization might be something you are looking for.

Edit
How about SPC Chart?

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