Results 71 to 80 of about 12,852,243 (199)

Sample size calculation in multi-centre clinical trials

BMC Medical Research Methodology, 2018
Background Multi-centre randomized controlled clinical trials play an important role in modern evidence-based medicine. Advantages of collecting data from more than one site are numerous, including accelerated recruitment and increased generalisability ...
Markus Harden, Tim Friede
doaj   +1 more source

Comparación de metodologías para el análisis de datos de degradación para trayectorias lineales

Revista Colombiana de Estadística, 2006
Se usarán conceptos de análisis de degradación en relación con la confiabilidad de un producto. Muchos mecanismos de falla pueden detectarse a través de procesos de degradación.
SERGIO YÁÑEZ, RONALD ANDRÉS GRANADA
doaj  

Prevalence and determinants of deworming uptake among under-five children in Tanzania: evidence from the Tanzania Demographic and Health Survey 2022

Tropical Medicine and Health
Background Soil-transmitted helminth (STH) infections remain a major public health concern in many low- and middle-income countries among children under five.
Md. Rayhan Kabir, Shawkatul Islam, Joya Sarker, Prionty Das, Md. Moyazzem Hossain   +4 more
doaj   +1 more source

Mixed-effects models and landscape genetic results for Hyla wrightorum.

, 2016
Mixed-effects models and landscape genetic results for Hyla wrightorum.
Caren S. Goldberg (212698), Julian D. Olden (284128), Meryl C. Mims (2923602), Lorenz Hauser (116331)   +3 more
core   +1 more source

English comparative constructions at different levels of schematicity: what is the role of adjective-specific variability?

Cognitive Linguistics
This study analyzes the English comparative alternation (morphological prouder and periphrastic more proud) with regard to adjective-specific variability. Substantial empirical evidence indicates that speakers redundantly represent both abstract schemas (
Hotta Hikaru, Hilpert Martin
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Stevia rebaudiana (Bert) Bertoni: regression models with mixed effects for investigating seed germination data

Acta Scientiarum. Agronomy, 2018
We investigated regression models with mixed effects using generalized linear statistics to evaluate germination data from Stevia rebaudiana (Bert) Bertoni.
Edilenia Queiroz Pereira, Vanderly Janeiro, Terezinha Aparecida Guedes, José Walter Pedroza Carneiro   +3 more
doaj   +1 more source

Assessing the Use of Mode Preference as a Covariate for the Estimation of Measurement Effects between Modes. A Sequential Mixed Mode Experiment

Methoden, Daten, Analysen, 2016
Mixed mode surveys are presented as a solution to increasing survey costs and decreasing response rates. The disadvantage of such designs is the lack of control over mode effects and the interaction between selection and measurement effects.
Caroline Vandenplas, Geert Loosveldt, Jorre T. A. Vannieuwenhuyze   +2 more
doaj   +1 more source

Mixed-severity fire regimes: Lessons and hypotheses from the Klamath-Siskiyou Ecoregion [PDF]

, 2011
Although mixed-severity fires are among the most widespread disturbances influencing western North American forests, they remain the least understood.
Kayes, L.J., Hibbs, D.E., Campbell, J.L., Donaghy Cannon, M., Donato, D.C., Bormann, B.T., Spies, T.A., Fontaine, J.B., Halofsky, J.E., Law, B.E., Peterson, D.L., Thompson, J.R., Anthony, R.G.   +12 more
core  

Immersive mixed-reality configuration of hybrid user interfaces

, 2005
Information in hybrid user interfaces can be spread over a variety of different, but complementary, displays, with which users interact through a potentially equally varied range of interaction devices. Since the exact configuration of these displays and
A. Olwal, Feiner, S., Olwal, Alex,, Sandor, C., S. Feiner, Bell, B., Olwal, A., B. Bell, C. Sandor   +8 more
core   +1 more source

MODELOS Y ANÁLISIS PARA DATOS DE DEGRADACIÓN MODELOS Y ANÁLISIS PARA DATOS DE DEGRADACIÓN

Revista Colombiana de Estadística, 2003
Degradation is a weakness that eventually can cause failure (e.g. car tire wear). When it is possible to measure degradation, such measures often provide more information than failure-time data for purposes of assessing and improving product reliability.
Yánez C. Sergio, Granada G. Ronald Andrés, Jaramillo E. Mario Cesar   +2 more
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