User:Rtlam
I work for a large chemical company as "Methods Editor": I cooperate within a team to manage and facilitate the company's analytical and test methods process. I provide coaching, method documentation skills, and statistical expertise to insure that methods will produce valid results for the intended application.
Being a Methods Editor, I frequently evaluate variance data according to ISO Standard 5725 [1]. ISO 5725 refers to Cochran's C test [2] for verifying if three or more variance estimates are mutually consistent. The C test is mentioned in many text books, but a dedicated article in Wikipedia was lacking. As I had published [3] [4] a generalized version of the C test, I felt in a good position to initiate a short article on the C test in Wikipedia.
- ^ ISO Standard 5725-2:1994, Accuracy (trueness and precision) of Measurement Methods and Results – Part 2: Basic Method for the Determination of Repeatability and Reproducibility of a Standard Measurement Method, International Organization for Standardization, Geneva, Switzerland, 1994.
- ^ W.G. Cochran, Ann. Eugen. (London) 11, 47–52 (1941).
- ^ R.U.E. 't Lam, Analytica Chimica Acta 659, 68–84 (2010).
- ^ Blog: Variance Outlier Test
Article: Cochran's C test
- Wikipedia article traffic statistics