Accounting For Correlations
In the general case, suppose that, is the covariance matrix relating the quantities, is the common mean to be estimated, and is the design matrix (of length ). The Gauss–Markov theorem states that the estimate of the mean having minimum variance is given by:
and
Read more about this topic: Weighted Mean
Famous quotes containing the words accounting for and/or accounting:
“I, who am king of the matter I treat, and who owe an accounting for it to no one, do not for all that believe myself in all I write. I often hazard sallies of my mind which I mistrust.”
—Michel de Montaigne (1533–1592)
“I, who am king of the matter I treat, and who owe an accounting for it to no one, do not for all that believe myself in all I write. I often hazard sallies of my mind which I mistrust.”
—Michel de Montaigne (1533–1592)