Davis Balestracci
I hope this little diversion into design of experiments (DOE) that I’ve explored in my last few columns has helped clarify some things that may have been confusing. Even if you don’t use DOE, there...
Davis Balestracci
Today I want to concentrate on the foundation of what is most commonly taught as design of experiments (DOE)—factorial designs.
Elsewhere I’ve mentioned three of C.M. Hendrix’s “ways to mess up an...
Davis Balestracci
In my last column I explained how many situations have an inherent response surface, which is the “truth.” However, any experimental result represents this true response, which is unfortunately...
Davis Balestracci
I’ve mentioned that design of experiments (DOE) is one of the few things worth salvaging from typical statistical training, and I thought I’d talk a bit more about DOE in the next couple of columns...
Davis Balestracci
In part one yesterday, we looked at stats of the Boston Red Sox bullpen, a typical example of baseball’s tendency to find special cause in just about anything. The Boston Globe article on which...
Davis Balestracci
In honor of baseball season, I’m going to apply some simple statistical thinking to my favorite sport in a two-part series today and tomorrow. I want anyone to be able to enjoy this, so I’ll mark...
Davis Balestracci
April Fool’s Day (today) and the opening of baseball season (this Sunday) are upon us. To mark the first event, I’ll let my distinguished colleague Donald Wheeler make some eloquent and crucial...
Davis Balestracci
This article is based on some ideas from my respected colleague Mark Hamel. Despite the lean framework, these ideas apply to any improvement approach—all of which come from the same theory, lean...
Davis Balestracci
Marketers are relentless in their efforts to seduce you with fancy tools, acronyms, Japanese terminology—and promises—about their versions of formal improvement structures such as Six Sigma, lean,...
Davis Balestracci
As I was preparing this column, one of my resources referred to chapter 48 of the 2,500-year-old Tao te Ching (quoted below), which, as some of you know, is one of my favorite sources of wisdom. It...
