• statistics, an estimator is a rule for calculating an estimate of a given quantity based on observed data: thus the rule (the estimator), the quantity...
    25 KB (3,709 words) - 20:38, 22 August 2024
  • In statistics, the bias of an estimator (or bias function) is the difference between this estimator's expected value and the true value of the parameter...
    34 KB (5,360 words) - 19:12, 10 August 2024
  • of quality of an estimator, of an experimental design, or of a hypothesis testing procedure. Essentially, a more efficient estimator needs fewer input...
    22 KB (3,062 words) - 02:03, 28 June 2024
  • generally, a point estimator can be contrasted with a set estimator. Examples are given by confidence sets or credible sets. A point estimator can also be contrasted...
    18 KB (2,284 words) - 23:04, 18 May 2024
  • can be solved analytically; for instance, the ordinary least squares estimator for a linear regression model maximizes the likelihood when the random...
    66 KB (9,626 words) - 01:12, 8 July 2024
  • Thumbnail for Consistent estimator
    In statistics, a consistent estimator or asymptotically consistent estimator is an estimator—a rule for computing estimates of a parameter θ0—having the...
    12 KB (1,541 words) - 15:39, 23 December 2023
  • In estimation theory and decision theory, a Bayes estimator or a Bayes action is an estimator or decision rule that minimizes the posterior expected value...
    22 KB (3,845 words) - 16:15, 22 August 2024
  • that characterizes the transformation of an arbitrarily crude estimator into an estimator that is optimal by the mean-squared-error criterion or any of...
    13 KB (2,164 words) - 15:10, 19 November 2023
  • Thumbnail for Kernel density estimation
    interested in estimating the shape of this function ƒ. Its kernel density estimator is f ^ h ( x ) = 1 n ∑ i = 1 n K h ( x − x i ) = 1 n h ∑ i = 1 n K ( x...
    38 KB (4,535 words) - 09:49, 13 June 2024
  • statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures the average...
    24 KB (3,827 words) - 09:26, 11 June 2024