نتایج جستجو برای: removing dependent events

تعداد نتایج: 1014567  

Journal: :Stroke 1992
C Kessler A B Kelly W D Suggs J D Weissman C M Epstein S R Hanson L A Harker

BACKGROUND AND PURPOSE To investigate experimental mechanisms of reversible cerebral dysfunction, we produced transient focal cerebral ischemia in five baboons by unilateral perfusion of internal carotid territories with platelet microemboli generated endogenously. METHODS Platelet microemboli were formed by incorporating segments of Dacron vascular graft for 1 hour as unilateral carotid arte...

Journal: :journal of research in health sciences 0
ghodratollah roshanaei anoshirvan kazemnejad sanambar sadighi

background: in survival studies when the event times are dependent, performing of the analysis by using of methods based on independent assumption, leads to biased. in this paper, using copula function and considering the dependence structure between the event times, a parametric joint distribution has made fitting to the events, and the effective factors on each of these events would be determ...

Journal: :Hormones and behavior 2011
David Crews

Evolutionary change is a product of selection. Selection operates on the phenotype, and its consequences are manifest in representation of the genotype in successive generations. Of particular interest to both evolutionary and behavioral biologists is the newly emerging field of epigenetics and behavior. Two broad categories of epigenetic modifications must be distinguished. Context-dependent e...

Journal: :Ecological Informatics 2013
Jakob Zscheischler Miguel D. Mahecha Stefan Harmeling Markus Reichstein

2013
G. De Simon G. Alberti G. Delle Vedove

Introduction Conclusions References

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1391

مطالعات انجام شده روی مکانیسمهای تکوینی و تکاملی گلبولهای قرمز منجر به دستیابی بشر به مفاهیم پایه و مهمی در ارتباط با مکانیسمهای عمومی تنظیم بیان ژن وشکل گیری بافتها شده است. تمایز اختصاصی به رده ارتیروئید و هر رده دیگری، شدیداً وابسته به تنظیم در سطح بیان ژن و فاکتورهای کنترلی خاص نظیر سیتوکین ها، فاکتورهای نسخه برداری ویژه، عناصر کنترل کننده چرخه سلولی، تکثیر،آپوپتوز و عناصر سیگنالینگ داخل سلو...

2007
Malcolm Corney

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2007
Fritz Scholz

We present here by direct argument the classical Clopper-Pearson (1934) “exact” confidence bounds and corresponding intervals for the parameter p of the binomial distribution. The same arguments can be applied to derive confidence bounds and intervals for the negative binomial parameter p, for the Poisson parameter λ, for the ratio of two Poisson parameters, ρ = λ1/λ2, and for the parameter D o...

Journal: :Social indicators research 2014
Ivana Anusic Stevie C Y Yap Richard E Lucas

Set-point theory posits that individuals react to the experience of major life events, but quickly adapt back to pre-event baseline levels of subjective well-being in the years following the event. A large, nationally representative panel study of Swiss households was used to examine set-point theory by investigating the extent of adaptation following the experience of marriage, childbirth, wid...

2014
David Nolden Hagen Soltau Daniel Povey Pegah Ghahremani Lidia Mangu Hermann Ney

In this work we present a novel word lattice filtering algorithm which removes redundancy from lattices. We use the filtering algorithm to analyze lattices obtained from dynamic network and transducer-based LVCSR decoders from several sites regarding size, coverage, and redundancy. We show that our filtering algorithm reduces the size of lattices by 30 to 90% without degrading the oracle word e...

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