نتایج جستجو برای: مدل double hurdle

تعداد نتایج: 363867  

Journal: :The British Journal of Diabetes & Vascular Disease 2009

Chukwuemeka John Arene Noble Jackson Nweze Ubon Asuquo Essien

The study was designed to analyze credit receipt and enterprise performance by small scale agro based enterprises in the Niger Delta region of Nigeria. A multistage sampling technique was adopted in selecting 264 agro based enterprises and 96 agro based enterprises that accessed informal and formal credit respectively. The Heckman model was used to examine the factors affecting amount of inform...

2014
Krzysztof Przednowek Tomasz Krzeszowski Janusz Iskra Krzysztof Wiktorowicz

In this study, implementation of markerless method of human body motion tracking as a tool of measurement of hurdle clearance kinematic parameters was presented. The analysis involved 5 hurdle runners at various training levels. Recording of video sequences was carried out under simulated starting conditions of a 110 m hurdle race. Kinematic parameters were determined based on the analysis of i...

Journal: :international journal of agricultural management and development 2013
ubon asuquo essien chukwuemeka john arene noble jackson nweze

the study was designed to analyze credit receipt and enterprise performance by small scale agro based enterprises in the niger delta region of nigeria. a multistage sampling technique was adopted in selecting 264 agro based enterprises and 96 agro based enterprises that accessed informal and formal credit respectively. the heckman model was used to examine the factors affecting amount of inform...

2016
Elvis Dartey Okoffo Elisha Kwaku Denkyirah Derick Taylor Adu Benedicta Yayra Fosu-Mensah

Agriculture is an important sector in Ghana's economy, however, with high risk due to natural factors like climate change, pests and diseases and bush fires among others. Farmers in the Brong-Ahafo region of Ghana which is known as one of the major cocoa producing regions, face these risks which sometimes results in crop failure. The need for farmers to therefore insure their farms against crop...

2005
WALLACE R. MCALLISTER DOROTHY E. MCALLISTER Joseph J. Franchina

Following classical fear conditioning, Ss were trained to jump a hurdle to escape the fear-eliciting stimuli. 2 groups were conditioned in the start box of the hurdle apparatus (Same CB) and 2 in a separate, but similar, conditioning box (Diff CB). Under each condition, 1 group had hurdle training after a 3-min., and the other, after a 24-hr., postconditioning delay. For the 2 Diff CB groups, h...

2004
Mark N. Harris Xueyan Zhao

Data for discrete ordered random variables are often characterised by “excessive” zero observations. Traditional ordered probit models have limited capacity in explaining the preponderance of zero observations, especially when the zeros may relate to two distinct situations of non-participation and infrequent participation (or consumption), for example. We propose a zero-inflated ordered probit...

2004
Frank H. Fuller John C. Beghin Scott Rozelle

In this paper we use 2001-2002 urban survey data we collected to analyze demographics, cultural factors, and purchasing behaviors influencing the consumption of fresh milk, yogurt, ice cream, and powered milk in urban areas of China. The data include frequency of consumption by product, location of consumption and purchase, exposure to advertising and foreign culture, and school milk programs. ...

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