|
|||||
|
|
Existence of unbiased covariance components estimators |
|
| Authors: | Jooheh Muller Godeeke AG Freiburg |
| Abstract: | The condition of PINCUS (1974) for the estimability of covariance components in normal models is extended to the case of singular covariance matrices |
| Keywords: | Covariance component estimation invariance |