نتایج جستجو برای: agriculture using cochran

تعداد نتایج: 3436636  

Journal: :Statistics in medicine 2016
Monika Jelizarow Ulrich Mansmann Jelle J Goeman

We propose a Cochran-Armitage-type and a score-free global test that can be used to assess the presence of an association between a set of ordinally scaled covariates and an outcome variable within the range of generalized linear models. Both tests are developed within the framework of the well-established 'global test' methodology and as such are feasible in high-dimensional data situations un...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
آذر هاشمی نژاد دانش آموخته کارشناسی ارشد دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران سید محمود حسینی دانشیار دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران یوسف حجازی استاد دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران

the present study was performed to analyze some of the preventive vs. promoter factors of applying blended learning system in agricultural higher education as viewed from the perspective of khuzestan province's faculties of agriculture and natural resources' faculty members. statistical population of the study consisted of the members of agriculture and natural resources state college...

Journal: :مجله علوم کشاورزی ایران 0
علی اسدی ایرج ملک محمدی سید محمود حسینی

to effectively support small farmers, an efficient system of technology generating and transforming in agriculture is needed. lack of close and effective interaction among extension organizations and research systems and between various groups of farmers and agricultural organizations is one of the important institutional problems facing the ministries of agriculture in many developing countrie...

2012
Ahmed Khocht

Periodontal diseases are inflammatory diseases of the supporting structures of the teeth (Cochran, 2008; Kornman, 2008). They are initiated by periodontopathic bacteria and result in progressive destruction and loss of the periodontium (Cochran, 2008; Kornman, 2008). Progression of periodontal disease eventually leads to tooth loss (Chambrone, et al., 2010). Periodontal diseases are multifactor...

Journal: :Menoufia Journal of Agricultural Economic and Social Sciences 2017

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
هانیه داودی دانشجوی کارشناسی ارشد توسعه روستایی، دانشگاه تهران حسین شعبانعلی فمی دانشیار و عضو هیئت علمی دانشگاه تهران خلیل کلانتری استاد و عضو هیئت علمی دانشگاه تهران

an investigation of science and technology parks in technology development in different countries show a positive impact on development is technology. factors influencing on the development of technology parks can be considerable help in the creation of parks may be appropriate.the study purpose is identified strategies for improving agricultural technology development in science and technology...

2016
Wen-Chung Lee

The Cochran-Armitage trend test is a standard procedure in genetic association studies. It is a directed test with high power to detect genetic effects that follow the gene-dosage model. In this paper, the author proposes optimal trend tests for genetic association studies of heterogeneous diseases. Monte-Carlo simulations show that the power gain of the optimal trend tests over the conventiona...

2016
Andrew K. Carlson William E. French Bruce Vondracek Leonard C. Ferrington Jane E. Mazack Jennifer L. Cochran-Biederman

Brown trout growth in Minnesota streams as related to landscape and local factors Andrew K. Carlson, William E. French, Bruce Vondracek, Leonard C. Ferrington Jr, Jane E. Mazack & Jennifer L. Cochran-Biederman To cite this article: Andrew K. Carlson, William E. French, Bruce Vondracek, Leonard C. Ferrington Jr, Jane E. Mazack & Jennifer L. Cochran-Biederman (2016): Brown trout growth in Minneso...

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