نتایج جستجو برای: mann kendall test

تعداد نتایج: 821688  

Journal: :Lûdina ì dovkìllâ. Problemi neoekologìï 2021

Purpose. To carry out the surface water quality assessment of Southern Bug river basin and to investigate ability self-purify. Methods. Statistical calculations, system analysis. Results. The long-term dynamic integrated index values during 2000-2016 was heterogeneous, but general trend indicated a slight increase due sanitary-ecological pollution index. highest level observed in Khmelnytsky ci...

2007
Huei-Yu Wang Sheng-San Cheng

Design, trademark and patent are the intellectual properties that influence each other and become the core assets and ultimate commercial weapons of the companies. In this study, we researched the designs, trademarks and patents of Nike in depth. The secret of Nike brands are built up on the high technology. Nike also had very successful brands in the apparel and footwear industry. In 2006, Int...

2001
Michael T. Hobbins Jorge A. Ramírez Thomas C. Brown

The hypothesis of a complementary relationship in regional evapotranspiration allows for estimation of actual evapotranspiration on a regional scale by simple, physically based models that take into account feedbacks in land surface-atmosphere dynamics. A regional, seasonal Advection-Aridity model is used to create a monthly time-series of actual evapotranspiration for a period of 27 years at a...

2005
V. YU. KALOSHIN

A stratification of a set, e.g. an analytic variety, is, roughly, a partition of it into manifolds so that these manifolds fit together “regularly”. Stratification theory was originated by Thom and Whitney for algebraic and analytic sets. It was one of the key ingredients in Mather’s proof of the topological stability theorem [Ma] (see [GM] and [PW] for the history and further applications of s...

Journal: :Clinical trials 2015
Nancy E Kass Holly A Taylor Joseph Ali Kristina Hallez Lelia Chaisson

BACKGROUND Research suggests that participants do not always adequately understand studies. While some consent interventions increase understanding, methodologic challenges have been raised in studying consent outside of actual trial settings. This study examined the feasibility of testing two consent interventions in actual studies and measured effectiveness of interventions in improving under...

Groundwater, a special hydrological variable and freshwater resource is completely inter-reliant with hydro-metorological, topographic, land use and hydro-geological components of hydrologic cycle. Trend of hydrologic componentsfor future prediction is attempted to confer in this study using Man-Kendall test, linear regression and geometric progression analysis on recorded data collected from r...

Journal: :Dilemas Contemporáneos: Educación, Política y Valores 2021

El cambio climático es una problemática que afecta al planeta. La investigación de la Región Costa del Ecuador Continental analizó variables temperatura y precipitación en las estaciones meteorológicas red nacional INAMHI a partir 1980 se encontraron tendencias significativas varias zonas costa, valores con poca significancia para temperatura; esto debido situación geográfica, ubicación otros f...

Journal: :Sains Malaysiana 2021

Novel coronavirus also known as COVID-19 was first discovered in Wuhan, China by end of 2019. Since then, the virus has claimed millions lives worldwide. In 29th April 2020, there were more than 5,000 outbreak cases Malaysia reported Ministry Health (MOHE). This study aims to evaluate trend analysis using Mann-Kendall test, and predict future Recurrent Forecasting-Singular Spectrum Analysis (RF...

2006
Steinar Thorvaldsen Elinor Ytterstad Tor Flå

Multiple sequence alignments can provide information for comparative analyses of proteins and protein populations. We present some statistical trend-tests that can be used when an aligned data set can be divided into two or more populations based on phenotypic traits such as preference of temperature, pH, salt concentration or pressure. The approach is based on estimation and analysis of the va...

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