Article
Keywords:
stochastic process; least squares estimators; quadratic invariant estimators; linear regression model; unknown covariance function; sufficient condition for consistency
Summary:
The least squres invariant quadratic estimator of an unknown covariance function of a stochastic process is defined and a sufficient condition for consistency of this estimator is derived. The mean value of the observed process is assumed to fulfil a linear regresion model. A sufficient condition for consistency of the least squares estimator of the regression parameters is derived, too.
References:
[2] E. Z. Demidenko:
Linear and nonlinear regression. (Russian) Finansy i statistika, Moscow 1981.
MR 0628141
[3] E. J. Hannan:
Rates of convergence for time series regression. Advances Appl.. Prob. 10 (197S), 740-743.
DOI 10.2307/1426656
[5] F. Štulajter: Estimators in random processes. (Slovak). Alfa, Bratislava 1989.
[6] R. Thrum J. Kleffe:
Inequalities for moments of quadratic forms with applications to almost sure convergence. Math. Oper. Stat. Ser. Stat. 14 (1983), 211 - 216.
MR 0704788