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- Tellinghuisen, Joel; Bolster, Carl H.
- ARS USDA Submissions 2011 v.105 no.2 pp. 220
- least squares; models; variance
- ... R² can be used correctly to select from among competing least-squares fit models when the data are fitted in common form and with common weighting. However, when models are compared by fitting data that have been mathematically transformed in different ways, R² is a flawed statistic, even when the data are properly weighted in accord with the transformations. The reason is that in its most commonl ...