Results 231 to 240 of about 172,938 (287)

Comparing causal inference methods for point exposures with missing confounders: a simulation study. [PDF]

BMC Med Res Methodol
Benz L, Levis AW, Haneuse S.
europepmc   +1 more source

Adaptive Sparsening and Smoothing of the Treatment Model for Longitudinal Causal Inference Using Outcome-Adaptive LASSO and Marginal Fused LASSO. [PDF]

Stat Med
Schnitzer ME, Talbot D, Liu Y, Berger D, Wang G, O'Loughlin J, Sylvestre MP, Ertefaie A.   +7 more
europepmc   +1 more source

Extending the Use of Mendelian Randomisation With Non-Inherited Variants to Assess Socially Transmitted Parental Exposures Under Assortative Mating. [PDF]

Genet Epidemiol
Woolf B, Mason A, Shapland CY, Kang H, Sallis HM, Burgess S, Munafò MR.   +6 more
europepmc   +1 more source

Multiple Comparisons With Overdispersed Multinomial Data: Methods, Properties and Application. [PDF]

Pharm Stat
Budig S, Vogel C, Schaarschmidt F.
europepmc   +1 more source

The Challenge of Time-to-Event Analysis for Multiple Events: A Guided Tour From Time-to-First-Event to Recurrent Time-to-Event Analysis. [PDF]

Biom J
Schmeller S, Erdmann A, Beyersmann J, Angermann C, Ozga AK.   +4 more
europepmc   +1 more source

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Estimation Combining Unbiased and Possibly Biased Estimators

Journal of Statistical Theory and Practice, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sergey Tarima, Bonifride Tuyishimire, Rodney Sparapani, Lisa Rein, John Meurer   +4 more
openaire   +2 more sources

Biased Estimators and Unstable Betas

The Journal of Finance, 1980
STUDIES [1, 2, 3, 5, 8, 10] ESTIMATING AND ANALYZING the stability of security betas have theoretical and practical implications. The measurement of pure, or systematic, risk of securities is important in portfolio selection and in applications of the Capital Asset Pricing Model (CAPM).
Scott, Elton, Brown, Stewart
openaire   +1 more source

Estimating Chlorophyll Extraction Biases

Journal of the Fisheries Research Board of Canada, 1979
A simplified chlorophyll analytical procedure is described that requires 4 min/sample and features an overall precision (measured by the coefficient of variation, C.V.) of ~ 3% at the 15 mg/m3 chlorophyll a level. The C.V. varies inversely with concentration for spectrophotometric determinations.
R. E. Stauffer, G. F. Lee, David E. Armstrong   +2 more
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Biased estimates of nonrenal clearance

Journal of Pharmaceutical Sciences, 2001
The goal of the investigation was to critically evaluate published values for oral nonrenal clearance and their postulated dependence on renal function with drugs administered orally to subjects with varying renal function. Derivation of the pertinent equations indicated that the values reported for oral nonrenal clearance tend to systematically ...
openaire   +2 more sources

Topological Estimation Biases with Covarion Evolution

Journal of Molecular Evolution, 2007
Covarion processes allow changes in evolutionary rates at sites along the branches of a phylogenetic tree. Covarion-like evolution is increasingly recognized as an important mode of protein evolution. Several recent reports suggest that maximum likelihood estimation employing covarion models may support different optimal topologies than estimation ...
Huai-Chun, Wang, Edward, Susko, Matthew, Spencer, Andrew J, Roger   +3 more
openaire   +2 more sources