Box-Cox Transformation in Regression: It’s Easy!Making the data meet the assumptions
Wed, 12/04/2013 - 16:37
For one reason or another, the response variable in a regression analysis might not satisfy one or more of the assumptions of ordinary least squares regression. The residuals might follow a skewed distribution or they might curve as the predictions… Cp and Cpk, Working TogetherWhen the values are similar, the mean is close to the middle of the specification limits
Wed, 10/16/2013 - 17:16
Capability statistics are wonderful things. They tell you how well your process is meeting the specifications that you have. But there are so many capability statistics that it’s worth taking some time to understand how they’re useful together.… How to Win an Oscar (If You Misunderstand Statistics)Even in Hollywood, correlation does not equal causation
Tue, 03/12/2013 - 10:56
Statistician to the Stars William Briggs deserves credit for his correct prediction of the Best Picture Oscar the day before the ceremonies this year. Although Briggs would never encourage anyone to misuse his model this way, I feel my statistics… Statistics with Gummi Bear CatapultsThe importance of accuracy, consistency, repeatability—and your favorite flavor
Fri, 10/14/2011 - 09:12
Using candy is a great way to build your confidence with statistics,
and there's usually no problem about wasted resources afterward,
either. Good quality analysis requires collecting useful data, and that
skill takes practice. With the help of…
