نتایج جستجو برای: stepwise regression analysis

تعداد نتایج: 2987474  

Journal: :iranian journal of public health 0
mostafizur rahman 1. institute of graduate studies, university of malaya, malaysia. asma ahmad shariff 2. centre for foundation studies in science, university of malaya, malaysia. aziz shafie 3. dept. of geography, university of malaya, malaysia. rahmah saaid 4. dept. of obstetrics and gynecology, university of malaya, malaysia. rohayatimah md tahir 2. centre for foundation studies in science, university of malaya, malaysia.

caesarean section (c-section) rates have been increasing dramatically in the past decades around the world. this increase has been attributed to multiple factors such as maternal, socio-demographic and institutional fac-tors. therefore, this study examines the impact of maternal, socio-demographic and relevant characteristics on caesar-ean delivery in the northern region of bangladesh.this stud...

Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
سجاد کردی باشگاه پژوهشگران جوان و نخبگان، واحد خرم آباد، دانشگاه آزاد اسلامی، خرم آباد، ایران ماشاالله دانشور استادیار گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه لرستان، خرم آباد، ایران منوچهر سیاح فر استادیار مرکز تحقیقات کشاورزی و منابع طبیعی خرم آباد، خرم آباد، ایران قدرت الله شاه کرمی استادیار گروه زراعت، دانشکده کشاورزی، دانشگاه آزاد اسلامی واحد خرم آباد، خرم آباد، ایران

to determine the correlation between grain yield and its components in some grain corn hybrids and their cause and effect relationships in various fertilizer application methods, an experiment was carried out as split plot based on randomized complete block design with two fertilizer application methods (urea foliar application and soil application method), four grain corn hybrids (ns 640, kons...

Journal: :پژوهش های حبوبات ایران 0
محمد ضابط عبدالهادی حسین زاده

in order to study the correlation between morphophenological and quantitative traits with yield and to determine the most important traits for yield, 600 ecotypes of mung bean were evaluated in normal and limited irrigation conditions through augmented design. computation of correlation coefficients showed that in two conditions, number of pods per plant, harvest index and biological yield had ...

Journal: :journal of medicinal plants and by-products 0

the chamomile species of anthemis triumfettii (l.) all is one of important medicinal plant belong to compositae family and it grows as wild species in zagros and alborz mountains, iran. the aim of this study was to evaluation of morphological and phenological traits and their relationships with essential oil. seeds of seven accessions were sown in jiffy pots and transferred to field using rando...

Journal: :journal of agricultural science and technology 2010
h. zeinali s. r. tabaei-aghdaei a. arzani

abstract rosa damascena has attracted considerable attention in horticulture, biochemistry and in pharmacology because of the fragrance of the flowers and the high content of its bio-logically active substances. there is limited information available on factors controlling flower yield and its components. the present study reports an investigation on flower yield and the various factors affect...

Journal: :Journal of Applied Statistics 2002

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده ادبیات و زبانهای خارجی 1392

abstract the current study examined the role of emotional intelligence and motivation on language learning of efl learners in iranian context. the participants of this study were 162 female and 100 male junior high school students. these participants were selected by convenient sampling method. to carry out the study two questionnaires were administered to the participants. first, the adap...

Journal: :ethno- pharmaceutical products 2014
jalal ghanbari gholamreza khajoeinejad ghasem mohamadinejad

cumin (cuminum cyminum l.) is one of the most important cultivable medicinal plants in iran and today, it is the second most popular spice in the world after black pepper. it is essential to know the relationships between yield and its components in cumin breeding programs. therefore, different multivariate statistical analysis was performed on plant characters in cumin to determine the relatio...

2002
Evelyn Korn Ulf Schiller

We consider voluntary disclosure of nonproprietary information. Established research knows two classes of models. Some authors assume that the manager can be fined prohibitively high if she lies. Others assume that no punishment can be imposed. We generalize and unify those approaches and investigate an intermediate class of models. Our main result is that a clustering of reports may occur. Fir...

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