In statistics, the Gauss–Markov theorem (or simply Gauss theorem for some authors) states that the ordinary least squares (OLS) estimator has the lowest...
28 KB (4,717 words) - 00:34, 30 September 2024
The phrase Gauss–Markov is used in two different ways: Gauss–Markov processes in probability theory The Gauss–Markov theorem in mathematical statistics...
293 bytes (67 words) - 18:03, 5 February 2018
Gauss–Markov process Gauss–Markov theorem Gaussian copula Gaussian measure Gaussian correlation inequality Gaussian isoperimetric inequality Gauss's inequality...
14 KB (1,124 words) - 14:42, 31 July 2024
distribution. The central limit theorem supports the idea that this is a good approximation in many cases. The Gauss–Markov theorem. In a linear model in which...
39 KB (5,586 words) - 05:22, 16 October 2024
residuals when regressors have finite fourth moments and—by the Gauss–Markov theorem—optimal in the class of linear unbiased estimators when the errors...
65 KB (9,124 words) - 05:23, 18 November 2024
Andrey Markov Chebyshev–Markov–Stieltjes inequalities Gauss–Markov theorem Gauss–Markov process Hidden Markov model Markov blanket Markov chain Markov decision...
10 KB (1,072 words) - 21:23, 24 October 2024
estimators under the assumption of normally distributed errors (Gauss–Markov theorem), in the two-part paper Theoria combinationis observationum erroribus...
182 KB (18,169 words) - 02:58, 20 November 2024
Gauss–Markov theorem Gauss–Markov process Markov blanket Markov boundary Markov chain Markov chain central limit theorem Additive Markov chain Markov...
2 KB (229 words) - 07:10, 17 June 2024
uncorrelatedness of errors, and if one still assumes zero mean, then the Gauss–Markov theorem entails that the solution is the minimal unbiased linear estimator...
31 KB (4,024 words) - 15:43, 21 November 2024
S}{\partial \beta _{j}}}({\hat {\boldsymbol {\beta }}})=0} . The Gauss–Markov theorem shows that, when this is so, β ^ {\displaystyle {\hat {\boldsymbol...
14 KB (2,249 words) - 06:44, 14 June 2024
matrix and show that it is positive definite. This is provided by the Gauss–Markov theorem. Linear least squares methods include mainly: Ordinary least squares...
74 KB (10,321 words) - 04:01, 23 November 2024
of zero and a constant variance, σ {\displaystyle \sigma } , the Gauss–Markov theorem states that the least-squares estimator, β ^ {\displaystyle {\hat...
34 KB (5,374 words) - 18:47, 15 September 2024
biased estimates as it violates the exogeneity assumption of the Gauss–Markov theorem. The problem of endogeneity is often ignored by researchers conducting...
10 KB (1,435 words) - 22:03, 30 May 2024
under the conditions of the Gauss–Markov theorem. The least-squares method was published in 1805 by Legendre and in 1809 by Gauss. The first design of an...
16 KB (2,426 words) - 05:32, 14 November 2024
inequality Fefferman's inequality Fréchet inequalities Gauss's inequality Gauss–Markov theorem, the statement that the least-squares estimators in certain...
9 KB (709 words) - 17:09, 6 October 2023
errors. When OLS is used on data with homoscedastic errors, the Gauss–Markov theorem applies, so the GLS estimate is the best linear unbiased estimator...
18 KB (2,846 words) - 19:18, 3 November 2024
List of mathematical proofs (section Theorems of which articles are primarily devoted to proving them)
Erdős–Ko–Rado theorem Euler's formula Euler's four-square identity Euler's theorem Five color theorem Five lemma Fundamental theorem of arithmetic Gauss–Markov theorem...
6 KB (593 words) - 20:11, 5 June 2023
{\boldsymbol {u}}} , respectively. This is a consequence of the Gauss–Markov theorem when the conditional variance of the outcome is not scalable to the...
19 KB (2,385 words) - 21:25, 19 September 2024
exact linear relationship. Contrary to popular belief, neither the Gauss–Markov theorem nor the more common maximum likelihood justification for ordinary...
21 KB (2,377 words) - 05:21, 1 November 2024
analysis) Gauss–Markov theorem (statistics) Gauss–Wantzel theorem (geometry) Gelfand–Mazur theorem (Banach algebra) Gelfand–Naimark theorem (functional...
73 KB (6,038 words) - 09:58, 20 November 2024
process Gamma variate GAUSS (software) Gauss's inequality Gauss–Kuzmin distribution Gauss–Markov process Gauss–Markov theorem Gauss–Newton algorithm Gaussian...
87 KB (8,285 words) - 04:29, 7 October 2024
regression, the use of the least-squares estimator is justified by the Gauss–Markov theorem, which does not assume that the distribution is normal. From the...
31 KB (4,224 words) - 21:43, 29 October 2024
geostatistics Markov chain mixing time Markov chain tree theorem Markov decision process Markov information source Markov odometer Markov operator Markov random...
93 KB (12,558 words) - 19:07, 17 November 2024
minor planets). Gauss published a further development of the theory of least squares in 1821, including a version of the Gauss–Markov theorem. The term "regression"...
37 KB (5,116 words) - 10:21, 21 November 2024
loss function. Best linear unbiased estimator, also known as the Gauss–Markov theorem states that the ordinary least squares (OLS) estimator has the lowest...
18 KB (2,284 words) - 23:04, 18 May 2024
Non-linear least squares (section Gauss–Newton method)
^{\mathsf {T}}\ \Delta \mathbf {y} .} These equations form the basis for the Gauss–Newton algorithm for a non-linear least squares problem. Note the sign convention...
28 KB (4,538 words) - 23:33, 12 October 2024
is no heteroscedasticity. Breaking this assumption means that the Gauss–Markov theorem does not apply, meaning that OLS estimators are not the Best Linear...
27 KB (3,191 words) - 23:32, 30 August 2024
Autocorrelation (section Wiener–Khinchin theorem)
assumption that the error terms are uncorrelated, meaning that the Gauss Markov theorem does not apply, and that OLS estimators are no longer the Best Linear...
39 KB (5,807 words) - 01:47, 17 September 2024
unbiased estimator based on assumptions on covariances, make use of Gauss–Markov theorem to prove independence of the estimate and error, and use very similar...
39 KB (6,055 words) - 16:25, 13 October 2024
effects are similar to best linear unbiased estimates (BLUEs) (see Gauss–Markov theorem) of fixed effects. The distinction arises because it is conventional...
7 KB (969 words) - 00:56, 2 October 2024