Results 251 to 260 of about 246,485 (302)

Deviations from additivity in APOE4-mediated late-onset Alzheimer's disease risk across races and ethnicities. [PDF]

Hum Genet
Durodoye RO, Ciesielski TH, Benchek P, Bartlett J, Zhu X, Liu S, Naj A, Kunkle B, Schellenberg GD, Mayeux R, Farrer L, Wang LS, Pericak-Vance MA, Rajabli F, Tosto G, Haines JL, Bush WS, Williams SM.   +17 more
europepmc   +1 more source

Age-related changes in decision making with different wayfinding strategies. [PDF]

Psychol Res
Huang JY, Memmert D, Onur OA, Bock O.
europepmc   +1 more source

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Robust Wald‐type tests under random censoring

Statistics in Medicine, 2020
Randomly censored survival data are frequently encountered in biomedical or reliability applications and clinical trial analyses. Testing the significance of statistical hypotheses is crucial in such analyses to get conclusive inference but the existing likelihood‐based tests, under a fully parametric model, are extremely nonrobust against outliers in ...
Abhik Ghosh, Ayanendranath Basu, Leandro Pardo   +2 more
openaire   +2 more sources

Modified Wald tests under nonregular conditions

Journal of Econometrics, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lütkepohl, Helmut, Burda, Maike M.
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The Geometry of the Wald Test [PDF]

, 1990
The issue of the non-invariance of the Wald test under nonlinear reparametrisations of the restrictions under test is studied from a differential geometric viewpoint. Quantities that can be defined in purely geometrical terms are by construction invariant under reparametrisation, and various attempts are made to construct a Wald test out of such ...
Davidson, Russell, Davidson, Russell
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Wald-type rank tests: A GEE approach

Computational Statistics & Data Analysis, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Fan, Chunpeng, Zhang, Donghui
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Generalized Wald Test for Binary Composite Hypothesis Test

IEEE Signal Processing Letters, 2015
This letter provides a generalization of the well-known Wald test. The proposed generalized Wald test (GWT) is a Separating Function Estimation Test (SFET) which is a type of detector recently introduced for a wide class of composite problems. The test statistics of an SFET is an estimate of a real-valued Separating Function (SF).
Masoud Naderpour, Ali Ghobadzadeh, Aliakbar Tadaion, Saeed Gazor   +3 more
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Wald tests of common factor restrictions

Economics Letters, 1986
Abstract In this letter using Monte Carlo analysis, we investigate the sensitivity of Wald tests to alternative formulations of non-linear common factor restrictions. For there examples considered, there is no one form of the restrictions that performs well over the different parameter settings.
Allan W. Gregory, Michael R. Veall
openaire   +1 more source