نتایج جستجو برای: event history modeling

تعداد نتایج: 916711  

Journal: :iranian journal of applied language studies 2012
azar hosseini fatemi saeedeh shamsaee mohammad ali shams

the aim of this study is to investigate iranian tefl graduates’ conception of measurement error in research. adopting a sequential explanatory multi-method strategy (borg, 2009), the researchers analyzed causal and temporal relations in the research narratives elicited from 30 tefl graduates. gee’s (1986) framework for identifying narrative discourse units (lines, stanzas, and episodes) was ado...

Akbari, ME, Hajizadeh, E, Osmani, F, Rasekhi, AA,

Background and Objectives: In many medical situations, people can experience recurrent events with a terminal event. If the terminal event is considered a censor in this type of data, the assumption of independence in the analysis of survival data may be violated. This study was conducted to investigate joint modeling of frequent events and a final event (death) in breast cancer patients using ...

Journal: :journal of advances in computer research 0
ali khalili school of computer engineering, iran university of science and technology, tehran, iran mohammad abdollahi azgomi school of computer engineering, iran university of science and technology, tehran, iran

in recent years, formal methods have been used as an important tool for performance evaluation and verification of a wide range of systems. in the view points of engineers and practitioners, however, there are still some major difficulties in using formal methods. in this paper, we introduce a new formal modeling language to fill the gaps between object-oriented programming languages (oopls) us...

Journal: :iranian red crescent medical journal 0
amal saki malehi department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, ir iran ebrahim hajizadeh department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, ir iran; department of biostatistics, faculty of medical sciences, tarbiat modares university, jalal ale ahmad highway, p.o. box:14115-331, tehran, ir iran. tel: +98-2182883810 kambiz ahmadi department of biostatistics, health faculty, jundishapur university of medical sciences, ahvaz, ir iran parvin mansouri skin and stem cell research center, tehran university of medical sciences, tehran, ir iran

background: pemphigus is an autoimmune bullous disease and it is unclear what triggers and deteriorates it. the current study aimed to evaluate whether increasing the igg antibody titer represents a good indicator of the pemphigus recurrence. objectives: the current study aimed to evaluate whether increasing igg titer is an indicator of the expected recurrence. patients and methods: the current...

Iraj Heydari Jamileh Abolghasemi, Sadegh Kargarian Marvasti Shahnaz Rimaz,

Introduction: Diabetic neuropathy is a common and sever complication of diabetes that its progression can lead to disability and even amputation in diabetic patients. The aim of this study was to determine the effective factors in the event of neuropathy and to assess the cumulative incidence of neuropathy in patients with type 2 diabetes. Methods:</st...

Journal: :journal of advances in computer research 2012
ali khalili mohammad abdollahi azgomi

in recent years, formal methods have been used as an important tool forperformance evaluation and verification of a wide range of systems. in the viewpoints of engineers and practitioners, however, there are still some major difficultiesin using formal methods. in this paper, we introduce a new formal modelinglanguage to fill the gaps between object-oriented programming languages (oopls)used by...

Journal: :journal of research in health sciences 0
siavash mirzaee ramhormozi abbas moghimbeigi hossein mahjub ali reza soltanian

background: the study was developed in order to find a subset of potential factors, which affect birth distance pattern, regarding consideration on correlation of events of birth in a family and correlation within clusters/centers which other studies omit these correlations. methods: referring to documents that were registered for family in the health care centers on socio-economical zone, we c...

2017
Shuai Xiao Junchi Yan Xiaokang Yang Hongyuan Zha Stephen M. Chu

Event sequence, asynchronously generated with random timestamp, is ubiquitous among applications. The precise and arbitrary timestamp can carry important clues about the underlying dynamics, and has lent the event data fundamentally different from the time-series whereby series is indexed with fixed and equal time interval. One expressive mathematical tool for modeling event is point process. T...

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