نتایج جستجو برای: nonparametric statistics

تعداد نتایج: 194101  

2006
Suyash P. Awate Tolga Tasdizen Ross T. Whitaker

This paper presents a novel approach to unsupervised texture segmentation that relies on a very general nonparametric statistical model of image neighborhoods. The method models image neighborhoods directly, without the construction of intermediate features. It does not rely on using specific descriptors that work for certain kinds of textures, but is rather based on a more generic approach tha...

Journal: :Technometrics 1999
Eric R. Ziegel

Imagine that you get such certain awesome experience and knowledge by only reading a book. How can? It seems to be greater when a book can be the best thing to discover. Books now will appear in printed and soft file collection. One of them is this book practical nonparametric and semiparametric bayesian statistics. It is so usual with the printed books. However, many people sometimes have no s...

2016
Andrea Mazzatenta Alessandro Cellerino Nicola Origlia Davide Barloscio Ferdinando Sartucci Camillo Di Giulio Luciano Domenici

The mechanism of the natural aging of olfaction and its declinein the absence of any overt disease conditions remains unclear. Here, we investigated this mechanism through measurement of one of the parameters of olfactory function, the absolute threshold, in a healthy population from childhood to old age. The absolute olfactory threshold data were collected from an Italian observational study w...

Journal: :Pharmacogenomics 2013
Knut M Wittkowski Vikas Sonakya Tingting Song Martin P Seybold Mehdi Keddache Martina Durner

BACKGROUND Genome-wide association studies (GWAS) have had limited success when applied to complex diseases. Analyzing SNPs individually requires several large studies to integrate the often divergent results. In the presence of epistasis, multivariate approaches based on the linear model (including stepwise logistic regression) often have low sensitivity and generate an abundance of artifacts....

2011
Hisashi Ohtsuka

The author analyzed the annual trends in the number of deaths from nonmelanoma skin cancer (NMSC) from 1955 to 2008 in Japan on the basis of the data from the Vital Statistics of Japan. The general trends in the number of deaths from NMSC were downward between 1979 to 1994, but upward after 1995. The general trends in age-standardized death rates were roughly downward, although the death rates ...

Journal: :Journal of health economics 2004
Janet Currie V Joseph Hotz

Accidents are the leading cause of death and injury among children in the United States, far surpassing diseases as a health threat. We examine the effects of child care regulation on rates of accidental injury using both micro data from the National Longitudinal Survey of Youth, and Vital Statistics mortality records. Estimates from both data sources suggest that requiring day care center dire...

2014
Fabiana Cristina Taubert de Freitas-Swerts Maria Lúcia do Carmo Cruz Robazzi

OBJECTIVES to assess the effect of a compensatory workplace exercise program on workers with the purpose of reducing work-related stress and musculoskeletal pain. METHOD quasi-experimental research with quantitative analysis of the data, involving 30 administrative workers from a Higher Education Public Institution. For data collection, questionnaires were used to characterize the workers, as...

2012
Eduardo Estrada-Castillón Brianda Elizabeth Soto-Mata Miriam Garza-López José Ángel Villarreal-Quintanilla Javier Jiménez-Pérez Marisela Pando-Moreno Jaime Sánchez-Salas Laura Scott-Morales Mauricio Cotera-Correa

BACKGROUND Although the flora of the State of Nuevo León is well known, there are few records of ethnobotancial information. An ethnobotanical study was undertaken in order to know the medicinal plants used by people living at the scrublands and oak-pine forest areas in the southern Nuevo León. Collection of plants specimens and interviews were carried out among the people of the municipalities...

Journal: :Pediatrics 2017
Katherine A Fowler Linda L Dahlberg Tadesse Haileyesus Carmen Gutierrez Sarah Bacon

OBJECTIVES Examine fatal and nonfatal firearm injuries among children aged 0 to 17 in the United States, including intent, demographic characteristics, trends, state-level patterns, and circumstances. METHODS Fatal injuries were examined by using data from the National Vital Statistics System and nonfatal injuries by using data from the National Electronic Injury Surveillance System. Trends f...

Journal: :QJM : monthly journal of the Association of Physicians 2015
S A Balogun K Rose S Thomas J Owen V Brashers

BACKGROUND Interprofessional education (IPE) is crucial in fostering effective collaboration and optimal team-based patient care, all of which improve patient care and outcomes. Appropriate interprofessional communication is especially important in geriatrics where patients are vulnerable to adverse effects across the care continuum. Transitions in geriatric care are complex, involving several ...

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