نتایج جستجو برای: demographic feature

تعداد نتایج: 340068  

Journal: :international journal of high risk behaviors and addiction 0
seyedeh narjes zamani department of psychology, shahid bahonar university, kerman, ir iran; department of psychology, shahid bahonar university, kerman, ir iran, tel.: +98-9176535631, fax: +98-7612249726 masoud bagheri department of psychology, shahid bahonar university, kerman, ir iran mohammad abbas nejad department of foreign languages, shahid bahonar university, kerman, ir iran

background self immolation is a heinous way to commit suicide which is mostly prevalent in individuals who attempt to escape a stressful situation and is considered as a strange and unusual method. objectives this study examined demographic characteristics and mental health in self immolation attempters in the city of bandar abbas. materials and methods two groups are involved in this enquiry. ...

Hyperspectral sensors provide a large number of spectral bands. This massive and complex data structure of hyperspectral images presents a challenge to traditional data processing techniques. Therefore, reducing the dimensionality of hyperspectral images without losing important information is a very important issue for the remote sensing community. We propose to use overlap-based feature weigh...

Journal: :Biostatistics 2013
Josephine K Asafu-Adjei Allan R Sampson Robert A Sweet David A Lewis

In studies that compare several diagnostic or treatment groups, subjects may not only be measured on a certain set of feature variables, but also be matched on a number of demographic characteristics and measured on additional covariates. Linear discriminant analysis (LDA) is sometimes used to identify which feature variables best discriminate among groups, while accounting for the dependencies...

Journal: :journal of ai and data mining 2016
z. imani z. ahmadyfard a. zohrevand

in this paper we address the issue of recognizing farsi handwritten words. two types of gradient features are extracted from a sliding vertical stripe which sweeps across a word image. these are directional and intensity gradient features. the feature vector extracted from each stripe is then coded using the self organizing map (som). in this method each word is modeled using the discrete hidde...

Journal: :iranian journal of radiology 0
isaac shiri department of medical physics, iran university of medical science, tehran, iran; hamid abdollahi iran university of medical science, tehran, iran sajad shaysteh iran university of medical science, tehran, iran seied rabi mahdavi department of medical physics, iran university of medical science, tehran, iran

conclusions test-retest and correlation analyses have identified non-redundant radiomics features and this feature are prone to errors if they employed as quantitative biomarker for gbm image analysis. however when we use robust and redundant feature, quantitative image radiomics features are informative and prognostic biomarkers for gbm magnetic resonance imaging. results results shows that th...

Alireza Rowhanimanesh Hadi Shahraki Saeid Eslami, Shokoufeh Aalaei

Objective(s): This study addresses feature selection for breast cancer diagnosis. The present process uses a wrapper approach using GA-based on feature selection and PS-classifier. The results of experiment show that the proposed model is comparable to the other models on Wisconsin breast cancer datasets. Materials and Methods: To evaluate effectiveness of proposed feature selection method, we ...

Journal: :galen medical journal 0
vahid rashedi iranian research center on aging, university of social welfare and rehabilitation sciences mohammad rezaei faculty of rehabilitation sciences, hamadan university of medical sciences & health services masoud gharib mazandaran university of medical sciences & health services

background: nursing is considered as a profession at risk for high levels of stress and burnout, and these levels may be increasing as the care they deliver becomes complex. the purpose of this study was to investigate the relationship between burnout and socio-demographic characteristics of nurses. materials and methods: a cross-sectional descriptive-analytical design was used. the sample cons...

Journal: :jundishapur journal of microbiology 0
jamshid ayatollahi infectious and tropical diseases research center, shahid sadoughi university of medical sciences, yazd, ir iran motahare golestan department of pediatric, shahid sadoughi university of medical sciences, yazd, ir iran mohammad reza sharifi infectious and tropical diseases research center, shahid sadoughi university of medical sciences, yazd, ir iran; infectious and tropical diseases research center, shahid sadoughi university of medical sciences, yazd, ir iran. tel: +98-9131519614, fax:,+983518224100 elham esform department of medicine, shahid sadoughi university of medical sciences, yazd, ir iran seyed hossein shahcheraghi infectious and tropical diseases research center, shahid sadoughi university of medical sciences, yazd, ir iran; infectious and tropical diseases research center, shahid sadoughi university of medical sciences, yazd, ir iran. tel: +98-9132531389, +983518224100

results out of 253 cases confirmed for influenza a (h1n1), 9 women and 11men had died. amongst these cases the minimum and maximum age was3.5 and90 years, respectively. also, from the 20 confirmed cases of influenza a (h1n1) that had died, 16 cases had at least one underlying disease. conclusions there was no significant association between mortality of confirmed cases of influenza a (h1n1) and...

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