نتایج جستجو برای: bivariate logistic regression

تعداد نتایج: 341029  

Journal: :Czech Sociological Review 2000

Journal: :iranian journal of veterinary research 2015
z. hadi h. atashi m. dadpasand a. derakhshandeh m. m. ghahramani seno

the aim of this study was to investigate the potential association between growth hormone gh/alui and growth hormone receptor ghr/alui polymorphisms with milk yield and reproductive performances in holstein dairy cows in iran. blood samples of 150 holstein cows were collected and their genomic dna was extracted using gene-fanavaran dna extracting kit. fragments of the 428 bp of exon 5 growth ho...

2013
Tsung-Yi Lin Chen-Yu Lee

Logistic regression is a technique to map the input feature to the posterior probability for a binary class. The optimal parameter of regression function is obtained by maximizing log likelihood of training data. In this report, we implement two optimization techniques 1) stochastic gradient decent (SGD); 2) limited-memory BroydenFletcherGoldfarbShanno (L-BFGS) to optimize the log likelihood fu...

2013
Elena Di Tondo Anna Marigliano Ilaria Pellegrini Francesco Di Stanislao Marcello M. D’Errico

The aim of this paper is to analyze differences between incidence, characteristics and outcomes of patients with Influenza Like Illness (ILI) presenting to a teaching public hospital in Central Italy during pandemic influenza season (20092010) and during the post-pandemic outbreak (2010-2011). We performed a retrospective descriptive study, and we identified Emergency Department (ED) presentati...

2001
Steven Stack

Objective. Research on occupation and suicide has neglected multivariate models. It is not clear, for example, if persons in alleged “high-risk” occupations have high suicide risk because of occupational stress associated with the occupation or because of the demographic composition of the people in the occupation. The present study explores the relationship between occupation and suicide for 3...

2013
D. Edwards Adam R. Lucas Patricia W. Stone W. John Boscardin R. Adams Dudley

Critical Care Medicine www.ccmjournal.org 2773 Objectives: To determine the rate of unplanned PICU readmissions, examine the characteristics of index admissions associated with readmission, and compare outcomes of readmissions versus index admissions. Design: Retrospective cohort analysis. Setting: Ninety North American PICUs that participated in the Virtual Pediatric Intensive Care Unit System...

2011
Augustine Ankomah Jennifer Anyanti Muyiwa Oladosu

Correspondence: Augustine Ankomah society for Family health, 8 Port harcourt Crescent, garki, Area 11, Abuja, nigeria Tel +23 480 8233 8720 Fax +234 9461 8823 email [email protected] Background: This paper examines myths, misinformation, factual information, and communication about family planning and their effects on contraceptive use in Nigeria. Methods: A nationally representative samp...

2009
Fiona Steele Gabriele B. Durrant

We review three alternative approaches to modelling survey noncontact and refusal: multinomial, sequential and sample selection (bivariate probit) models. We then propose a multilevel extension of the sample selection model to allow for both interviewer effects and dependency between noncontact and refusal rates at the household and interviewer level. All methods are applied and compared in an ...

2011
G. Radha Radha G Pushpanjali

Background: This study is the first of its kind conducted among Tibetans immigrants to Bangalore City, India to study the effects of acculturation on the oral health outcomes of less established group of individuals. Objectives: To determine the Acculturation and oral health status among Tibetan immigrants in Bangalore city and to assess the relationship between them. Materials and Methods: A r...

2013
Sutapa Agrawal Praween Agrawal

Background: There is an increasing trend of risk-taking behaviour among adolescents in India but little empirical evidence exists on its determinants. We examined the effect of socio economic characteristics and living arrangement on adolescent’s risk-taking behaviour in India. Methods: Cross sectional population based data of 1,11,077 adolescents aged 10-19 years included in India’s second Nat...

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