the concept of being an invariant estimator is a criterion that can be used to compare the properties of different estimators for the same quantity. It...
15 KB (2,667 words) - 22:02, 30 January 2023
computed invariant: ICount % 3 == 1 || ICount % 3 == 2 } Erlangen program Graph invariant Invariant differential operator Invariant estimator in statistics...
24 KB (2,787 words) - 13:39, 3 April 2025
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 (3,723 words) - 17:48, 23 June 2025
data is an important property of various estimation methods; see invariant estimator for details. In pure mathematics, equivariance is a central object...
12 KB (1,433 words) - 13:01, 3 June 2025
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 (5,367 words) - 15:44, 15 April 2025
The James–Stein estimator is an estimator of the mean θ := ( θ 1 , θ 2 , … θ m ) {\displaystyle {\boldsymbol {\theta }}:=(\theta _{1},\theta _{2},\dots...
16 KB (2,147 words) - 08:30, 27 June 2025
Topological invariant Invariant (physics), something does not change under a transformation, such as from one reference frame to another Invariant estimator in...
2 KB (261 words) - 04:04, 9 March 2023
Fixed effects model (redirect from Fixed Effects estimator)
data analysis the term fixed effects estimator (also known as the within estimator) is used to refer to an estimator for the coefficients in the regression...
19 KB (3,166 words) - 13:36, 9 May 2025
Median (redirect from Median unbiased estimator)
additional property that it is invariant under one-to-one transformation. — page 584 Further properties of median-unbiased estimators have been reported. There...
63 KB (7,987 words) - 23:47, 14 June 2025
Rao–Blackwell theorem (redirect from Rao-Blackwell estimator)
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 (2,174 words) - 20:32, 19 June 2025
Intervening variable Intra-rater reliability Intraclass correlation Invariant estimator Invariant extended Kalman filter Inverse distance weighting Inverse distribution...
87 KB (8,280 words) - 23:04, 12 March 2025
In non-parametric statistics, the Theil–Sen estimator is a method for robustly fitting a line to sample points in the plane (simple linear regression)...
27 KB (2,818 words) - 22:30, 29 April 2025
population did not follow a normal distribution. Central tendency Invariant estimator Location parameter Location-scale family Mean-preserving spread Scale...
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Maximum a posteriori estimation (redirect from MAP estimator)
expectations are invariant under reparameterization. As an example of the difference between Bayes estimators mentioned above (mean and median estimators) and using...
11 KB (1,725 words) - 05:26, 19 December 2024
the regression rank-score tests or with the bootstrap methods. See invariant estimator for background on invariance or see equivariance. For any a > 0 {\displaystyle...
29 KB (4,109 words) - 04:27, 20 June 2025
Location test Invariant estimator Scale parameter Two-moment decision models Takeuchi, Kei (1971). "A Uniformly Asymptotically Efficient Estimator of a Location...
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x i t {\displaystyle \Delta x_{it}} . The FD estimator avoids bias due to some unobserved, time-invariant variable c i {\displaystyle c_{i}} , using the...
6 KB (1,102 words) - 18:33, 1 December 2024
standard deviation. Such a statistic is called an estimator, and the estimator (or the value of the estimator, namely the estimate) is called a sample standard...
59 KB (8,235 words) - 23:08, 17 June 2025
However, a major disadvantage is that (in finite samples) it is not invariant to changes in the representation of the null hypothesis; in other words...
17 KB (2,232 words) - 02:25, 26 May 2025
Method of conditional probabilities (redirect from Pessimistic estimator)
the method of conditional probabilities, the technical term pessimistic estimator refers to a quantity used in place of the true conditional probability...
21 KB (3,157 words) - 16:49, 21 February 2025
not come for free: time-invariant explanatory and instrumental variables are not allowed. As in the usual FE method, the estimator uses time-demeaned variables...
7 KB (1,021 words) - 09:55, 21 June 2024
In econometrics, the Arellano–Bond estimator is a generalized method of moments estimator used to estimate dynamic models of panel data. It was proposed...
14 KB (2,167 words) - 06:02, 2 June 2025
Entropy estimation (section Histogram estimator)
I. Lee (2010) Sample-spacings based density and entropy estimators for spherically invariant multidimensional data, In Neural Computation, vol. 22, issue...
10 KB (1,415 words) - 07:41, 28 April 2025
model is a scale model. Optimal equivariant estimators can then be derived for loss functions that are invariant. Basu's theorem Completeness (statistics)...
6 KB (993 words) - 10:06, 20 June 2025
Haar measure (redirect from Translation-invariant measure)
In mathematical analysis, the Haar measure assigns an "invariant volume" to subsets of locally compact topological groups, consequently defining an integral...
32 KB (5,375 words) - 03:20, 9 June 2025
Mean absolute difference (section Sample estimators)
alternative ways of calculating their values. The mean absolute difference is invariant to translations and negation, and varies proportionally to positive scaling...
13 KB (1,510 words) - 10:09, 27 May 2025
unbiased estimator (dividing by a number larger than n − 1) and is a simple example of a shrinkage estimator: one "shrinks" the unbiased estimator towards...
61 KB (10,215 words) - 16:29, 24 May 2025
\quad } therefore r is a biased estimator of ρ . {\displaystyle \rho .} The unique minimum variance unbiased estimator radj is given by where: r , n {\displaystyle...
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published between 1959 and 1961. The Kalman filter is the optimal linear estimator for linear system models with additive independent white noise in both...
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because asymptotic distribution of the second-step estimator generally depends on the first-step estimator. Accounting for this change in asymptotic distribution...
7 KB (1,250 words) - 21:30, 24 February 2025