نتایج جستجو برای: subgroup analysis

تعداد نتایج: 2878850  

Journal: :international journal of group theory 0
tao zhao school of science, shandong university of technology qingliang zhang school of sciences, nantong university

suppose that $h$ is a subgroup of $g$‎, ‎then $h$ is said to be‎ ‎$s$-permutable in $g$‎, ‎if $h$ permutes with every sylow subgroup of‎ ‎$g$‎. ‎if $hp=ph$ hold for every sylow subgroup $p$ of $g$ with $(|p|‎, ‎|h|)=1$)‎, ‎then $h$ is called an $s$-semipermutable subgroup of $g$‎. ‎in this paper‎, ‎we say that $h$ is partially $s$-embedded in $g$ if‎ ‎$g$ has a normal subgroup $t$ such that $ht...

Journal: :JACCP: journal of the American College of Clinical Pharmacy 2022

Subgroup analysis is designed to evaluate whether an intervention has differing effects according baseline characteristics of participants in clinical trials. This approach can help identify subgroups patient populations, within a single trial or across multiple trials (meta-analysis), that may benefit from the be hypothesis-generating for future Properly prespecified subgroup analyses increase...

Journal: :International Statistical Review 2021

Journal: :Journal of Machine Learning Research 2009
Xiaogang Su Chih-Ling Tsai Hansheng Wang David M. Nickerson Bogong Li

Subgroup analysis is an integral part of comparative analysis where assessing the treatment effect on a response is of central interest. Its goal is to determine the heterogeneity of the treatment effect across subpopulations. In this paper, we adapt the idea of recursive partitioning and introduce an interaction tree (IT) procedure to conduct subgroup analysis. The IT procedure automatically f...

Journal: :Journal of Hypertension 2002

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1392

مزیت استفاده از لاینرهای فلو در کاهش میکرولیکیج و بهبود تطابق کف جینجیوال مورد تناقض است. هدف از این مطالعه، مرور نظام یافته نتایج مطالعاتی است که تاکنون در مورد تاثیر کاربرد کامپوزیت فلو روی میکرولیکیج رستوریشنهای کامپوزیتی صورت گرفته است. در این مطالعه جستجو در بانک های اطلاعاتی pubmed ، isi(web of science) و scopus ، انجام شد و با توجه به کلمات کلیدی انتخاب شده،کلیه مقالات تا 51 جولای سا...

Nazanin Arafati Reza Pourrahim, Shirin Farzadfar,

Background: Cucumber mosaic virus (CMV) from the Bromoviridae family, is one of the most widespread plant viruses in the world. Objectives: In the present study tomato fields in Guilan, Isfahan, Khorasan Razavi, Khuzestan and Tehran provinces were surveyed to determine the presence of CMV subgroups during 2011-2012. Materials and Methods: Out of 305 symptomatic leaf samples ...

Journal: :iranian journal of fuzzy systems 2013
mahmood bakhshi

in this paper, the concept of fuzzy convex subgroup (resp. fuzzy convex lattice-ordered subgroup) of an ordered group (resp. lattice-ordered group) is introduced and some properties, characterizations and related results are given. also, the fuzzy convex subgroup (resp. fuzzy convex lattice-ordered subgroup) generated by a fuzzy subgroup (resp. fuzzy subsemigroup) is characterized. furthermore,...

Journal: :American Journal of Orthodontics and Dentofacial Orthopedics 2020

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