共 6 条
[2]
WHEN ARE GAUSS-MARKOV AND LEAST SQUARES ESTIMATORS IDENTICAL . A COORDINATE-FREE APPROACH
[J].
ANNALS OF MATHEMATICAL STATISTICS,
1968, 39 (01)
:70-&
[6]
ON CANONICAL FORMS NON-NEGATIVE COVARIANCE MATRICES AND BEST AND SIMPLE LEAST SQUARES LINEAR ESTIMATORS IN LINEAR MODELS
[J].
ANNALS OF MATHEMATICAL STATISTICS,
1967, 38 (04)
:1092-&