Roger Hill


  • @RJHILL1, I have that book by Wheeler on my desk right now, it’s what got me into control charts when I read about it on Mark Graban’s blog a month or two ago. However, it is only about control charts and he advises using Rbar*2.66 as the control limit, not 3 Sigma. It seems like a good intro to quick and dirty control charting but the more I read…[Read more]