نتایج جستجو برای: روش ilr em
تعداد نتایج: 671115 فیلتر نتایج به سال:
People-centric sensing with smart phones can be used for large scale sensing of the physical world at low cost by leveraging the available sensors on the phones. Despite its benefits, mobile people-centric sensing has two main issues: (i) incentivizing the participants, and (ii) reliability of the sensed data. Unfortunately, the existing solutions to solve these issue either requires infrastruc...
INTRODUCTION Patients with cardiac syncope have a significantly higher mortality than patients with syncope of non-cardiac causes, while patients with syncope of unknown aetiology constitute an intermediate risk group, presumably because this group is mixed, which suggests that further diagnostic testing is warranted. MATERIAL AND METHODS This was a retrospective single-centre study evaluatin...
Georeferenced compositional data are prominent in many scientific fields and spatial statistics. This work addresses the problem of proposing models methods to analyze predict, through kriging, this type data. To purpose, a novel class α-transformations, named Isometric α-transformation (α-IT), is proposed, which encompasses traditional Log-Ratio (ILR) transformation. Similarly other α-transfor...
جدولهای توافقی در مطالعات آماری شامل دادههای رستهای از اهمیت ویژهای برخوردارند. یک بخش مهم در تحلیل جدولهای توافقی، استنباط در مورد توابعی از احتمالات خانهای (تفاضل نرخها، نسبت نرخها یا نسبت بختها) میباشد. در برخی از این مطالعات، در عمل با دادههای گمشده و جدولهای توافقی ناقص مواجهایم که در این حالات روشهای استاندارد و نمونه بزرگ برای استنباط در مورد پارامتر یا قابل اجرا نمیباشند ...
تجزیه گیاه روش مفیدی است که با استفاده از روش های غلظت بحرانی و دریس به منظور ارزیابی و بهینهسازی عناصر غذایی چغندرقند بکار میرود ولی این رویکردها دو اریب دارند، یکی نادیده گرفتن ماهیت ترکیبی عناصر در تحلیل دادههای تجزیه گیاه و دیگری عدم استفاده از نسبت عناصر غذایی تأثیرگذار بر تغذیه گیاه است. با استفاده از روش تحلیل دادههای ترکیبی (CDA) و تعادلهای متعامد عناصر غذایی میتوان این اریبها ...
Compositional explanatory variables should not be directly used in a linear regression model because any inference statistic can become misleading. While various approaches for this problem were proposed, here an approach based on the isometric logratio (ilr) transformation is used. It turns out that the resulting model is easy to handle, and that parameter estimation can be done like in usual ...
Syncope is a symptom of many underlying disease states, which range from the relatively benign to the life threatening. There are numerous investigations done for patients with recurrent unexplained syncope which may have very low yield when it comes to making a definitive diagnosis. Recently, the implantable loop recorder (ILR) for continuous monitoring of the cardiac rhythm has been launched ...
We present results from a new Interagency Language Roundtable (ILR) based comprehension test. This new test design presents questions at multiple ILR difficulty levels within each document. We incorporated Arabic machine translation (MT) output from three independent research sites, arbitrarily merging these materials into one MT condition. We contrast the MT condition, for both text and audio ...
INTRODUCTION Unexplained syncope is a common condition with a significant impact both on the patient and on healthcare expenditure. Often, the diagnosis is hampered due to the temporary sporadic nature of the symptoms. Conventional monitoring methods have a low yield for identifying an abnormality during a spontaneous event. The implantable loop recorder (ILR), often underutilised, is an import...
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