Results 21 to 30 of about 358,861 (200)

Sparse estimation within Pearson's system, with an application to financial market risk

open access: yesCanadian Journal of Statistics, Volume 51, Issue 3, Page 800-823, September 2023., 2023
Abstract Pearson's system is a rich class of models that includes many classical univariate distributions. It comprises all continuous densities whose logarithmic derivative can be expressed as a ratio of quadratic polynomials governed by a vector β$$ \beta $$ of coefficients. The estimation of a Pearson density is challenging, as small variations in β$
Michelle Carey   +2 more
wiley   +1 more source

Análise da tipologia facial através do Índice Vert de Ricketts e do Índice Morfológico Facial

open access: yesARCHIVES OF HEALTH INVESTIGATION, 2021
Este estudo teve como objetivo avaliar a concordância no diagnóstico da tipologia facial de pacientes em tratamento ortodôntico, através de medidas cefalométricas laterais na Análise de Ricketts e do Índice Morfológico Facial.
Maria Carolina Bandeira Macena   +6 more
semanticscholar   +1 more source

Unravelling the historical biogeography of the European rabbit subspecies in the Iberian Peninsula

open access: yesMammal Review, Volume 53, Issue 1, Page 1-14, January 2023., 2023
We used biogeographical spatial models to understand the biogeography of the two subspecies of European rabbit that are found in the Iberian Peninsula. After the last glaciation, each subspecies expanded from its own isolated core, as suggested by the two maps.
Francisco Díaz‐Ruiz   +10 more
wiley   +1 more source

Population‐based approaches for monitoring the nurturing care environment for early childhood development: A scoping review

open access: yesMaternal &Child Nutrition, Volume 18, Issue S2, March 2022., 2022
Abstract Selecting indicators to monitor nurturing care (NC) environments that support decision‐making and guide the implementation of integrated early childhood development (ECD) programmes has become a priority globally. Several population‐based approaches have been attempted to create a set of indicators or a composite index methodology to measure ...
Jéssica Pedroso   +7 more
wiley   +1 more source

Capacidad de investigación en obesidad infantil en Latinoamérica y en las poblaciones latinas de Estados Unidos: estado de la investigación, problemas, oportunidades y líneas de trabajo para el futuro

open access: yesObesity Reviews, Volume 22, Issue S5, Octubre 2021., 2021
Resumen La obesidad infantil es un problema grave en Latinoamérica y entre la población latina de EE. UU. Para ser eficaces, las políticas de salud pública tienen que estar guiadas por evidencias contextuales pertinentes, lo cual exige una capacidad de investigación sostenida a través del tiempo.
Deborah Salvo   +13 more
wiley   +1 more source

Parametric representation of the top of income distributions: Options, historical evidence, and model selection

open access: yesJournal of Economic Surveys, Volume 35, Issue 4, Page 1217-1256, September 2021., 2021
Abstract Empirical distributions of top incomes suffer from statistical problems affecting the measurement of inequality and its trend. Researchers and practitioners have been increasingly noting parametric regularities across income distributions and turning to parametric functions to approximate or supplement the observed distributions, both for ...
Vladimir Hlasny
wiley   +1 more source

Attentional bias in eating disorders: A meta‐review

open access: yesInternational Journal of Eating Disorders, Volume 54, Issue 8, Page 1377-1399, August 2021., 2021
Abstract Objective This meta‐review summarizes and synthesizes the most reliable findings regarding attentional bias in eating disorders across paradigms and stimulus types and considers implications for theory and future research. Method Four databases were systematically searched, along with reference lists of included reviews, yielding 15 systematic
Natalie Stott   +2 more
wiley   +1 more source

Validación de curvas antropométricas de crecimiento intrauterino: Hospital Vicente Corral, Cuenca, Ecuador, 2013

open access: yesMaskana, 2016
Se realizó un estudio transversal en el Hospital Vicente Corral de Cuenca (Ecuador) en febrero-agosto de 2013, para la valoración de las curvas intrauterino del Centro Latinoamericano de Atención Perinatal (CLAP), Olsen, Alarcón-Pittaluga, Lubchenco ...
Ruth C. Díaz-Granda   +1 more
doaj   +1 more source

Análisis multitemporal de cambios de cobertura y uso del suelo: cuenca del río jubones, Ecuador

open access: yesUniversidad y Sociedad, 2021
La cuenca del río Jubones (CRJ) cuenta con una diversidad tanto de pisos ecológicos como climáticos; los cambios de cobertura y uso de suelo afectan las actividades que dependen del recurso hídrico.
Cobos Anguisaca, Juan Diego   +3 more
doaj  

Baja concordancia entre la información clínica de atención primaria y hospital

open access: yesAtención Primaria, 2016
Objetivos: Medir la concordancia respecto a las enfermedades crónicas registradas en atención primaria (AP) y hospitalaria, y valorar la utilidad de sus registros asistenciales con fines de investigación.
Concha Revilla-López   +3 more
doaj   +1 more source

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