Articles about Six Sigma from a very different perspective
Scholarly or academic publications on technical topics
Blogs by other contributors
A new update for ROIstat has been released! ROIstat 1.2 adds the ability to calculate limits for SPC charts and some bugfixes!
Quality Digest published a nice article about ROIstat. Check it out for more information!
There is a new version of R available, and Professor Wendy Martin has posted these extremely helpful guides to updating the various software that ROIstat uses:
A new alpha update for ROIstat has been released!