نتایج جستجو برای: Decision tree

تعداد نتایج: 495245  

Journal: :iranian red crescent medical journal 0
mehdi birjandi department of biostatistics, school of medicine, shiraz university of medical sciences, shiraz, ir iran seyyed mohammad taghi ayatollahi department of biostatistics, school of medicine, shiraz university of medical sciences, shiraz, ir iran; department of biostatistics, school of medicine, shiraz university of medical sciences, shiraz, ir iran. tel: +98-7132349330, fax: +98-7132349330 saeedeh pourahmad department of biostatistics, school of medicine, shiraz university of medical sciences, shiraz, ir iran ali reza safarpour gastroenterohepatology research center, shiraz university of medical sciences, shiraz, ir iran

background non-alcoholic fatty liver disease (nafld) is the most common form of liver disease in many parts of the world. objectives the aim of the present study was to identify the most important factors influencing nafld using a classification tree (ct) to predict the probability of nafld. patients and methods this cross-sectional study was conducted in kavar, a town in the south of fars prov...

Journal: :مجله علوم اعصاب شفای خاتم 0
ali khazaee department of psychology, faculty of education & psychology, university of mohaghegh ardabili, ardabil, iran. usha barahmand department of psychology, faculty of education & psychology, university of mohaghegh ardabili, ardabil, iran.

panic attacks are discrete episodes of intense fear or discomfort accompanied by symptoms such as palpitations, shortness of breath, sweating, trembling, derealization and a fear of losing control or dying. although panic attacks are required for a diagnosis of panic disorder, they also occur in association with a host of other disorders listed in the 5h version of the diagnostic and statistica...

Journal: :iranian journal of basic medical sciences 0
masoumeh sarbaz department of medical informatics, school of medicine and faculty member of health information technology and medical records department omid pournik department of medical informatics, faculty of medicine, mashhad university of medical sciences, mashhad, iran and deputy for health, shahid beheshti university of medical sciences, tehran, iran leila ghalichi department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran khalil kimiafar mashhad university of medical sciences, mashhad, iran and department of health information management, faculty of health management and information sciences, tehran university of medical sciences, tehran, iran amir reza razavi department of medical informatics, faculty of medicine, mashhad university of medical sciences, mashhad, iran

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Journal: :international journal of transportation engineering 0
seyed sina mohri msc student, department of transportation engineering, isfahan university of technology, isfahan, iran hossein haghshenas assistant professor, department of transportation engineering, isfahan university of technology, isfahan, iran

significant advantages of intermodal and containerized transport have increased the global interest to this mode of transportation. this growing interest is reflected in the annual volume of container cargo growth. however, the container transport inside iran does not have a proper place. comparing the count of containers entering and leaving ports with the statistics obtained from railway and ...

Journal: :مدیریت فناوری اطلاعات 0
محمود البرزی واحد علوم تحقیقات محمد ابراهیم محمد پورزرندی دانشگاه آزاد تهران مرکز محمد خان بابایی واحد علوم و تحقیقات

decision trees as one of the data mining techniques, is used in credit scoring of bank customers. the main problem is the construction of decision trees in that they can classify customers optimally. this paper proposes an appropriate model based on genetic algorithm for credit scoring of banks customers in order to offer credit facilities to each class. genetic algorithm can help in credit sco...

Journal: :journal of optimization in industrial engineering 2011
abolfazl kazemi elahe mehrzadegan

decision-tree algorithms provide one of the most popular methodologies for symbolic knowledge acquisition. the resulting knowledge, a symbolic decision tree along with a simple inference mechanism, has been praised for comprehensibility. the most comprehensible decision trees have been designed for perfect symbolic data. classical crisp decision trees (dt) are widely applied to classification t...

Results of damage prediction in buildings can be used as a useful tool for managing and decreasing seismic risk of earthquakes. In this study, damage spectrum and C4.5 decision tree algorithm were utilized for damage prediction in steel buildings during earthquakes. In order to prepare the damage spectrum, steel buildings were modeled as a single-degree-of-freedom (SDOF) system and time-history...

Journal: :journal of ai and data mining 2015
a. ardakani v. r. kohestani

the prediction of liquefaction potential of soil due to an earthquake is an essential task in civil engineering. the decision tree is a tree structure consisting of internal and terminal nodes which process the data to ultimately yield a classification. c4.5 is a known algorithm widely used to design decision trees. in this algorithm, a pruning process is carried out to solve the problem of the...

Fateme Rajati, Mansour Rezaei, Negin Fakhri, Soodeh Shahsavari,

Background: Gestational diabetes mellitus (GDM) is one of the most common metabolic disorders in pregnancy, which is associated with serious complications. In the event of early diagnosis of this disease, some of the maternal and fetal complications can be prevented. The aim of this study was to early predict gestational diabetes mellitus by two statistical models including artificial neural ne...

Journal: :journal of rehabilitation in civil engineering 2015
seyed amir hossein hashemi gholamreza ghodrati amiri farzaneh hamedi

results of damage prediction in buildings can be used as a useful tool for managing and decreasing seismic risk of earthquakes. in this study, damage spectrum and c4.5 decision tree algorithm were utilized for damage prediction in steel buildings during earthquakes. in order to prepare the damage spectrum, steel buildings were modeled as a single-degree-of-freedom (sdof) system and time-history...

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