نتایج جستجو برای: robust factor analysis
تعداد نتایج: 3619648 فیلتر نتایج به سال:
background: increasing prevalence of obesity is a major health concern. lifestyle behaviors and diet play an important role in developing childhood obesity. the aim of this study was to determine the association between major dietary patterns and overweight/obesity in a group of iranian school‑aged children. methods: this cross‑sectional study was conducted in isfahan, iran with 637 elementary ...
fourteen different morphological traits in 169 and 131 cattle of oulmes-zaer and tidili, respectively were recorded and analyzed using a multivariate approach. the characters measured included heart girth, wither height, rump height, rump length, rump width, chest depth, body length, neck length, cannon circumference, ear length, ear width, head length, horn length and tail length. breed signif...
in developing countries, the domination of peripheral and dependent capitalism relations and the lack of appropriate structures and channels of attracting, this system have caused some kind of spatial-anatomic unbalances that has resulted in the appearance of single cities with national and regional prevalence. this situation is the main reason for small, medium and intermediate cities to lose ...
مزارع برنج از جمله اکوسیستم های خشکی هستند که از شرایط محیطی مناسبی برای رشد و انتشار سیانوباکتری ها برخوردارند. جنس anabaena bory ex bornet et flahault از جمله مهمترین جلبک های سبز-آبی رشته ای دارای هتروسیست در این اکوسیستم های خشکی به شمار می آید. در مطالعه حاضر، ایزوله های مختلف از این جنس، از خاک مزارع برنج 7 استان دارای کشت برنج واقع در مناطق شمالی، جنوبی، شرقی، غربی و مرکزی کشور، از اردیب...
The first purpose of this study is to present an alternative robust model in order to describe ruminal degradation kinetics of forages and to minimize the fitting problems. For this purpose, the Korkmaz-Uckardes (KU) model, which has a logarithmic structure, was developed. The second purpose of this study is to estimate, by using the Korkmaz-Uckardes (KU)model, the parameters tp (the time to pr...
four rapeseed cultivars (hayola 401, hayola 308, rgs and option) were evaluated for some physiological traits under stress (50 % field capacity (fc) and non-stress (irrigated) conditions. the factorial set of treatments was arranged within a randomized complete block design with three replications. the collected data were analyzed using path and factor analyses. these is results showed that bas...
Introduction: motivation is an inner psychological driving force that persuades child to take efforts to master activities or skills that are somewhat challenging, The aim of this study was to investigate the psychometric properties of the Iranian version of the Mastery Motivation Questionnaire(DMQ18) in children aged 6-23 months. Method: this research is a descriptive – survey method, which i...
most of the multi-criteria decision methods (mcdm), including analytic hierarchy process (ahp) and analytic network process (anp), use subjective judgments for obtaining the relative importance of the decision elements of a subject matter. this has been considered as one the important limitations of the mcdms. the f’anp model, a hybrid factor analysis and analytic network process (f’anp) model ...
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