| Article ID: | iaor19931621 |
| Country: | United Kingdom |
| Volume: | 41 |
| Start Page Number: | 553 |
| End Page Number: | 559 |
| Publication Date: | Jun 1992 |
| Journal: | Applied Statistics |
| Authors: | Fearn T. |
| Keywords: | mineral industries |
In a paper discussing the role of transformations in Taguchi analysis Logothetis presented a detailed analysis of experimental data from a plasma etching process. This paper reanalyses the data and reaches substantially different conclusions. In particular the original treatment of components of error variance is questioned, and it is suggested that a two-factor interaction may have been overlooked.