نتایج جستجو برای: normal score transform
تعداد نتایج: 874942 فیلتر نتایج به سال:
The present investigation deals with deformation in microstretch generalized thermoelastic medium subjected to thermomechanical loading induced by thermal laser pulse. The Laplace and Fourier transform techniques are used to solve the problem, and concentrated normal force and thermal source describe the application of this approach. The closed form expressions of normal stress, tangential stre...
هدف این پژوهش به کارگیری skew-normal (sn) markov-switching(ms) garch جهت لحاظ نمودن چولگی در توزیع سریهای زمانی مالی است. انگیزه اصلی بیان این مدل آن است که روش متداول برای در نظر گرفتن عدم تقارن در مدل های normal(n) ms garch یعنی اضافه نمودن میانگین رژیم ها به مدل، منجر به ایجاد بازده های خود همبسته می گردد که امری نامطلوب است. جهت یک مقایسه کامل ، تمامی حالات ممکن مدل های sn ms garch و n ms g...
Multiple Imputation (MI) is an established approach for handling missing values. We show that MI for continuous data under the multivariate normal assumption is susceptible to generating implausible values. Our proposed remedy, is to 1) transform the observed data into quantiles of the standard normal distribution, 2) obtain a functional relationship between the observed data and it’s correspon...
In this paper a method to analyze pathological speech signal using wavelet transform is suggested. Pathological speech signal is commercially available pathological voice database and analyzed by the suggested method. Normal speech signal is also from the same database and analyzed as well. Then the results are compared to find the differences between normal and pathological speech. Three level...
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Background and Objectives: Substance abuse and dependence is one of the major problems and concerns of today's world. Spiritual vacuums are a cause of tendency toward drugs abuse. The aim of this study is to compare spirituality components among opioid-dependent, methamphetamine dependent, and normal people in Shiraz. Methods: The study population of this causal-comparative study consisted of 5...
[1] We present the results of a series of 3-D boundary element calculations to investigate the effects of oceanic transform faults on stress state and fault development at adjacent mid-ocean ridge spreading centers. We find that the time-averaged strength of transform faults is low, and that on time scales longer than a typical earthquake cycle transform faults behave as zones of significant we...
در سال های اخیر با شدت یافتن بحران مالی جهانی بسیاری از بنگاههای اقتصادی زیان های بزرگی را متحمل شده؛ و یا حتی به مرحله ورشکستگی رسیده اند بطور کلی در ایران و خصوصاً در بین شرکت های ثبت شده در بورس اوراق بهادار تهران موارد زیادی وجود دارد که از ضعف سلامت مالی رنج می برند و به بیانی دیگر در آستانه ورشکستگی هستند. این پژوهش پس از کنترل کردن متغیر هایی از قبیل (اندازه، سودآوری، فرصت های رشد پیش بین...
Electromyograms (EMG) are recorded movements of nerves and muscles that help diagnose nerve-related disorders. It is frequently used in the diagnosis neuromuscular diseases such as myopathy, which causes many changes EMG signal properties. The most useful auxiliary test myopathy EMG. Therefore, it has become imperative to identify computer-assisted anomalies with full accuracy develop an effici...
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