نتایج جستجو برای: instability index

تعداد نتایج: 482744  

جمشیدی, علی رضا, شکوری, زینب, صاحبدل, حسین,

Cognition, thoughts, and beliefs play a basic role in marriage and relationships couples. Recognize these can be helpful to identify the foregrounds of marital instability.The aim of this study was to investigate the relationship between communicational beliefs and degree of marriage instability among the female and male married. The study method is survey research and the stat...

Journal: :Asian journal of andrology 2006
Fotini Papachristou Theodore Lialiaris Stavros Touloupidis Christos Kalaitzis Constantinos Simopoulos Nikolaos Sofikitis

AIM To evaluate the genetic instability of 11 fertile and 25 infertile men. METHODS The methodology of sister chromatid exchanges (SCEs) was applied to cultures of peripheral blood lymphocytes, and the levels of SCEss were analyzed as a quantitative index of genotoxicity, along with the values of the mitotic index (MI) and the proliferation rate index (PRI) as qualitative indices of cytotoxic...

Journal: :asian journal of sports medicine 0
mohammad-reza golbakhsh sina hospital tehran university of medical sciences, tehran, iran majid attar hamidi sina hospital tehran university of medical sciences, tehran, iran bahar hassanmirzaei sports medicine research center, tehran university of medical sciences, tehran, iran; sports medicine research center, no 6, al-e-ahmad highway, tehran, iran. p.o. box: 14395-578.

purpose many factors such as lumbar instability and spinopelvic alignment are associated with low back pain. our purpose was to analyze the pelvic incidence - one of spinopelvic alignment parameters- and spine instability correlations in patients with chronic low back pain. methods fifty-two patients suffering from chronic low back pain entered this case control study. lateral spine radiography...

Journal: Money and Economy 2021

Shadow banking is a term that came out of the financial crisis of 2007-2009. There is a belief that shadow banking was one of the crisis reasons. Because the excessive expansion of shadow banking endangers the financial stability of countries, this paper examines the impact of shadow banking on financial stability using data from 14 countries of the G20 during 2002-2018. We divided countries in...

Journal: :Computational Statistics & Data Analysis 2006
Servane Gey Jean-Michel Poggi

The AdaBoost like algorithm for boosting CART regression trees is considered. The boosting predictors sequence is analyzed on various data sets and the behaviour of the algorithm is investigated. An instability index of a given estimation method with respect to some training sample is defined. Based on the bagging algorithm, this instability index is then extended to quantify the additional ins...

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