نتایج جستجو برای: discriminant analysis

تعداد نتایج: 2829165  

Journal: :journal of agricultural science and technology 2015
v. babic j. vančetović s. prodanović n. kravić m. babić

global warming and predictions of climatic changes additionally put breeding for drought tolerance in the focus of breeding programmes for maize. extensive studies on the existing gene bank collection of the maize research institute “zemun polje“ have been performed with the aim to identify and form initial sources for the development of maize inbreds more tolerant to drought. all accessions (a...

Journal: :iranian red crescent medical journal 0
malihe nasiri department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, ir iran soghrat faghihzadeh department of biostatistics, faculty of medical sciences, zanjan university of medical sciences, zanjan, ir iran; department of biostatistics, faculty of medical sciences, zanjan university of medical sciences, zanjan, ir iran. tel: +98-2414240301 hamid alavi majd department of biostatistics, faculty of paramedical, shahid beheshti university of medical sciences, tehran, ir iran farid zayeri department of biostatistics, faculty of paramedical, shahid beheshti university of medical sciences, tehran, ir iran noorosadat kariman department of midwifery, faculty of nursing and midwifery, shahid beheshti university of medical sciences, tehran, ir iran nastaran safavi ardebili department of midwifery, faculty of medical sciences, islamic azad university, ardabil, ir iran

conclusions the levels of hemoglobin can be used to predict preeclampsia and monitoring the pregnant women and its regular measure in 3 trimesters help us to identify women at risk for preeclampsia. background preeclampsia is one of the most serious complications during pregnancy with important effects on health of mother and fetus that causes maternal and fetal morbidity and mortality. this st...

Journal: :iranian journal of applied animal science 2015
i. boujenane

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1393

چاودار از گیاهان مهم خانواده poaceae به شمار می رود که بومی ایران می باشد. در این تحقیق ابتدا تنوع ژنتیکی 70 جمعیت از جنس چاودار (secale l.) که از نقاط مختلف ایران جمع آوری شده بود بر اساس 17 صفت کمی و 14 صفت کیفی ریخت شناسی مورد بررسی قرار گرفت. گونه ها و زیرگونه های این جنس با استفاده از روش تجزیه به مولفه های اصلی (principal component analysis, pca) و تجزیه تابع تشخیص(discriminant function a...

Journal: :international journal of endocrinology and metabolism 0
mostafa rezaei-tavirani proteomics research center, faculty of paramedical sciences, shahid beheshti university of medical sciences, ir iran fariba fathi department of chemistry, sharif university of technology, p.o. box 11155-9516, ir iran +98-2166165305, [email protected] fatemeh darvizeh department of medicine, debrecen medical school, hungary mohamad reza reza zali research center for gastroenterology and liver disease, shahid beheshti university of medical sciences, ir iran mohamad rostami rostami nejad acute medicine, dudley group of hospital, uk kamran rostami department of basic science faculty of paramedical sciences, shahid beheshti university of medical sciences, p.o. box: 19395-4618, ir iran +98-2122718505, [email protected]

background celiac disease (cd) is a disorder associated with body reaction to gluten. after the gluten intake, an immune reaction against the protein occurs and damages villi of small intestine in celiac patients gradually. objectives the osc, a filtering method for minimization of inter- and intra-spectrometer variations that influence on data acquisition, was applied to biofluid nmr data of c...

Journal: :journal of lasers in medical sciences 0
maryam bahreini laser and plasma research institute, shahid beheshti university, g. c., evin, tehran, 1983963113, iran seyed hassan tavassoli laser and plasma research institute, shahid beheshti university, g. c., evin, tehran, 1983963113, iran

introduction: a modern technique for elemental analysis of biological samples is laser induced breakdown spectroscopy (libs). this technique is based on emission of excited atoms, ions, and molecules in plasma produced by focusing a high power laser pulses on sample surface. because of several advantages of libs including little or no sample preparation; minimally invasive; fast analysis time a...

Journal: :practice in clinical psychology 0
ebrahim soltani azemat department of clinical psychology, university of social welfare and rehabilitation sciences, tehran, iran. abolfazl mohammadian department of clinical psychology, university of social welfare and rehabilitation sciences, tehran, iran. nasrin heydari dolat abadi department of psychology, faculty of humanities and social sciences, science and research branch, islamic azad university, tehran, iran. parvaneh mohammadkhani social welfare management research center, university of social welfare and rehabilitation sciences, koodakyar ave., daneshjoo blvd., evin, tehran, iran.

objective: sexual addiction is a psychiatric disorder with unpleasant personal, inter-personal, legal, social, and physical outcomes for the patients. the cycle of this disorder is based on a false belief system known as early maladaptive schemas. this study aimed to examine and compare maladaptive cognitive schemas in sex addicts and normal people. methods: in the present study, a causal-compa...

Journal: :iranian journal of public health 0
li hu yimin zhu mengshi chen xun li xiulan lu ying liang

background: multiple severity scoring systems have been devised and evaluated in adult sepsis, but a simplified scoring model for pediatric sepsis has not yet been developed. this study aimed to develop and validate a new scoring model to stratify the severity of pediatric sepsis, thus assisting the treatment of sepsis in children. methods: data from 634 consecutive patients who presented with ...

Journal: :ecopersia 2014
mohamad sakizadeh

the objective of this study was to classify the shoosh aquifer to several zones with different water quality in khuzestan province, iran. in this regard, the performance of classification methods (discriminant function and cluster analysis) for the classification of groundwater based on the level of pollution with an emphasis on the problem of over-fitting in training data were considered. an o...

Journal: :The Annals of Statistics 1995

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