Papantoni-Kazakos, P.2007-10-312007-10-311975-08-202003-10-17P. Papantoni-Kazakos, "p-Efficient Estimators," <i>Rice University ECE Technical Report,</i> no. TR7512, 1975.https://hdl.handle.net/1911/20195Tech ReportThis paper is concerned with estimates of an unknown vector parameter S based on observations X. A generalized error autocorrelation matrix with components the error moments of order 2p, is defined. A lower bound for this matrix is found and the p-efficient P(X/S) statistics realizing it are determined. The cases of i) X and S real, ii) S scalar real, and iii) X real and S complex are examined.engestimationReportestimation