Tag Archives: visualization

Some Six Sigma Quality Control Charts in R

There is a CRAN package available in R, authored and maintained by Luca Scrucca , that has many nice functions within that are very much geared for Six Sigma work. I just used it to very easily to produce an XmR (X-bar and moving range) plot for some data we have been working with. Here is an example of output:

Approver Process XmR

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