نتایج جستجو برای: feature selection and perclos
تعداد نتایج: 16883260 فیلتر نتایج به سال:
since most common form of cervical cancer starts with pre-cancerous changes, a flawless detection of these changes becomes an important issue to prevent and treat the cervix cancer. there are 2 ways to stop this disease from developing. one way is to find and treat pre-cancers before they become true cancers, and the other is to prevent the pre-cancers in the first place. the presented approach...
different approaches have been proposed for feature selection to obtain suitable features subset among all features. these methods search feature space for feature subsets which satisfies some criteria or optimizes several objective functions. the objective functions are divided into two main groups: filter and wrapper methods. in filter methods, features subsets are selected due to some measu...
objectives: genetic polymorphism interactions are among the important factors in affliction with complex diseases like alzheimer’s disease. the important goal of genetic association studies is to identify a combination of polymorphisms and measure their importance in increasing the risk of occurrence of such diseases. in this study, feature selection approach of logic regression was used to ide...
a full investigation into the features extracted from voice signals of people with and without parkinson’s disease was performed. a total of 31 people with and without the disease participated in the data collection phase. their voice signals were recorded and processed. the relevant features were then extracted. a variety of feature selection methods have been utilized resulting in a good perf...
This study explores how drivers are affected by automation when driving in rested and fatigued conditions. Eighty-nine (45 females, 44 males) aged between 20 85 years attended experiments on separate days, once a condition, counterbalanced order. The results show an overall effect of to significantly reduce drivers’ workload effort. had different effects, depending the Differences manual automa...
مقاله حاضر به بررسی سودمندی رگرسیون های تجمیعی و روش های انتخاب متغیرهای پیش بین بهینه (شامل روش مبتنی بر همبستگی و ریلیف) برای پیش بینی بازده سهام شرکت های پذیرفته شده در بورس اوراق بهادار تهران می پردازد. به منظور ارزیابی عملکرد رگرسیون تجمیعی، معیارهای ارزیابی (شامل میانگین قدرمطلق درصد خطا، مجذور مربع میانگین خطا و ضریب تعیین) مربوط به پیش بینی این روش، با رگرسیون خطی و شبکه های عصبی مصنوعی...
The imbalance data can be seen in various areas such as text classification, credit card fraud detection, risk management, web page classification, image classification, medical diagnosis/monitoring, and biological data analysis. The classification algorithms have more tendencies to the large class and might even deal with the minority class data as the outlier data. The text data is one of t...
abstract the present study is concerned with the syntactic deviation in hafezs poetry. poems are known to be accompanied with various linguistic deviations. these deviations may be phonological, morphological and/or syntactic. the relatively high frequency of the cases of the syntactic deviation in hafezs poems makes this rhetorical feature as a main characteristic of his poetry. this thesis, ...
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