نتایج جستجو برای: شاخص deciles

تعداد نتایج: 75047  

2013
Herb Brar Eric Wang Craig Struble Thomas J. Musci Mary E. Norton

OBJECTIVE To determine the relationship between a priori risk for fetal trisomy and the fraction of fetal cell-free DNA (cfDNA) in maternal blood. METHODS A comparative analysis on fetal cfDNA amounts was performed in subjects stratified into a priori risk groups based on maternal age, prenatal screening results, or nuchal translucency measurement. RESULTS Across the highest and lowest deci...

Journal: :Public health reports 2011
Colin W Shepard Heidi W Gortakowski Hani Nasrallah Blayne H Cutler Elizabeth M Begier

• Based in part on these findings, NYC DOHMH began funding new HIV riskreduction interventions that focus on Latino MSM in Queens, with an emphasis on Jackson Heights Density surface map* of residences of New Yorkers newlydiagnosed with HIV infection in 2007 with West Queens neighborhood detail map Density surface map* of residences of New Yorkers newlydiagnosed with HIV infection in 2007 2007 ...

Journal: :Ensayos revista de economía 2021

En este artículo analizamos el impacto que la Gran Recesión tuvo sobre desigualdad del ingreso en México. Estudiamos tres diferentes dimensiones de los hogares: por trabajo asalariado, total y monetario. Encontramos negativo contracción económica inequidad monetario no se observa para asalariado. Esta diferencia explica caída negocios afectó mayor proporción a hogares decil más alto, cuatro dec...

Journal: : 2023

شاخص سطح برگ استخراج‌شده (LAI) از تصاویر سنجش دور پارامتر مهمی، به‌منظور مدل‌سازی مکانی تولید پوشش گیاهی، محسوب می‌شود. معمولاً شاخص‌های گیاهی که با بازتاب طول موج‌های قرمز و مادون نزدیک محاسبه می‌شوند، در برآورد LAI استفاده روش‌های آماری، به‌کار می‌روند اما بسیاری این شاخص‌ها مقادیر متفاوت به اشباع می‌رسند. برای رفع محدودیت، محدودة لبة شده است؛ بنابراین، باید قابلیت داده‌های دور، ذرت علوفه‌ای، ...

Energy as one of the factors of production along with labor and capital has an important role in development and social welfare. Due to the pollution of non-renewable resources and its negative impact on welfare, the use of renewable resources can improve social welfare by eliminating pollutants. In this study, the effect of renewable and non-renewable energy consumption on social welfare of de...

Journal: :Financial Innovation 2021

Abstract We investigate the significance of extreme positive returns in cross-sectional pricing cryptocurrencies. Through portfolio-level analyses and weekly regressions on all cryptocurrencies our sample period, we provide evidence for a statistically significant relationship between maximum daily return within previous month (MAX) expected In particular, univariate portfolio analysis shows th...

Journal: :Journal of Economic Behavior and Organization 2023

Recent studies show that loss probability (LP) is a decisive factor when people evaluate assets in laboratory experiments, suggesting positive relationship between LP and expected stock returns. This corresponds to the classical “Safety-First” principle. We find strong empirical support for this prediction U.S. market. During our sample period, average risk-adjusted return differences stocks tw...

Journal: :Revista chilena de educación matemática 2022

En este artículo reportamos resultados de una investigación con estudiantes mexicanos sobre los niveles alfabetización y razonamiento estadístico que han desarrollado en su educación básica media superior, utilizando la taxonomía SOLO (Structure of Observed Learning Outcomes). El instrumento utilizado es un cuestionario aplicado línea se ha adaptado diversos ítems literatura algunos elaboración...

2015
Douglas S. Lee Judy Hardy Raymond Yee Jeffrey S. Healey David Birnie Christopher S. Simpson Eugene Crystal Iqwal Mangat Kumaraswamy Nanthakumar Xuesong Wang Andrew D. Krahn Paul Dorian Peter C. Austin Jack V. Tu

BACKGROUND A conceptualized model may be useful for understanding risk stratification of primary prevention implantable cardioverter defibrillators considering the competing risks of appropriate implantable cardioverter defibrillator shock versus mortality. METHODS AND RESULTS In a prospective, multicenter, population-based cohort with left ventricular ejection fraction ≤35% referred for prim...

Journal: :Sociología del trabajo 2023

La composición de la afiliación sindical sigue siendo dominante clase trabajadora tradicional. Pero adquiere especial protagonismo el crecimiento media. Ambas clases perciben sus ingresos como suficientes y confortables, están satisfechos con marcha democracia se orientan hacia centro-izquierda.
 Por contrario, baja servicios precariado tienen una escasa participación en sindical; ambos gr...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید