نتایج جستجو برای: classification and regression tree

تعداد نتایج: 16908469  

Journal: :Expert Syst. Appl. 2007
Handan Camdeviren Ankarali Ayse Canan Yazici Zeki Akkus Resul Bugdayci Mehmet Ali Sungur

In this study, it is aimed that comparing logistic regression model with classification tree method in determining social-demographic risk factors which have effected depression status of 1447 women in separate postpartum periods. In determination of risk factors, data obtained from prevalence study of postpartum depression were used. Cut-off value of postpartum depression scores that calculate...

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...

2016
Heon Gyu Lee

--------------------------------------------------------***--------------------------------------------------------Abstract Physicians classify patients into those with or without a specific disease. Classification trees are frequently used to classify patients according to the presence or absence of a disease. In the data-mining and machine learning, alternate classification schemes have been ...

Journal: :journal of ai and data mining 2014
vahid majidnezhad

in this paper, first, an initial feature vector for vocal fold pathology diagnosis is proposed. then, for optimizing the initial feature vector, a genetic algorithm is proposed. some experiments are carried out for evaluating and comparing the classification accuracies which are obtained by the use of the different classifiers (ensemble of decision tree, discriminant analysis and k-nearest neig...

One of the most important aspects of software project management is the estimation of cost and time required for running information system. Therefore, software managers try to carry estimation based on behavior, properties, and project restrictions. Software cost estimation refers to the process of development requirement prediction of software system. Various kinds of effort estimation patter...

Background and purpose: Understanding of the risk factors for cardiovascular artery disease, which is the leading cause of death worldwide, can lead to essential changes in its etiology, prevalence, and treatment. The aim of this study was to compare the results of logistic regression model and Classification and Regression Tree Analysis (CART) in determining the prognostic factors for coronary...

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

the main purpose of the present study was to investigate the relationship between listening proficiency and metacognitive listening strategies awareness among low, mid, and highly self-regulated students. three hundred and seventy one efl students participated in this study (all grade 3 and 4 high-school students who were studying in khansar in academic year 1391-92). to gather the data, three ...

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