نتایج جستجو برای: driven sampling

تعداد نتایج: 434092  

2010
Xin Lu Linus Bengtsson Tom Britton Martin Camitz Beom Jun Kim Anna Thorson Fredrik Liljeros

Researchers in many scientific fields make inferences from individuals to larger groups. For many groups however, there is no list of members from which to take a random sample. Respondent-driven sampling (RDS) is a relatively new sampling methodology that circumvents this difficulty by using the social networks of the groups under study. The RDS method has been shown to provide unbiased estima...

2015
Emre Neftci Srinjoy Das Bruno Pedroni Kenneth Kreutz-Delgado Gert Cauwenberghs

In a recent Frontiers in Neuroscience paper (Neftci et al., 2014) we contributed an on-line learning rule, driven by spike-events in an Integrate and Fire (IF) neural network, that emulates the learning performance of Contrastive Divergence (CD) in an equivalent Restricted Boltzmann Machine (RBM) amenable to real-time implementation in spike-based neuromorphic systems. The eventdriven CD framew...

2012
Matthew J. Salganik

In many countries, HIV/AIDS infections are concentrated in 3 high-risk groups: injection drug users, sex workers, and men who have sex with men. Accurate information about disease prevalence and risk behaviors in these groups is therefore critical for designing and evaluating HIV prevention programs. Respondent-driven sampling (RDS) is a relatively new method that allows researchers to collect ...

دهقانی اشکذری, محمد رضا, نایب زاده, شهناز, کریمی نیری, میترا,

Background: Internal marketing motivates the domestic customers by meeting their needs. Employee-driven work systems can improve the capabilities and motivations of the workforce to perform better in the organization. The purpose of this study was to investigate the effect of internal marketing and employee-driven work systems on job satisfaction with respect to job attractiveness. Methods: Th...

2017
Elizabeth Fearon Sungai T Chabata Jennifer A Thompson Frances M Cowan James R Hargreaves

BACKGROUND While guidance exists for obtaining population size estimates using multiplier methods with respondent-driven sampling surveys, we lack specific guidance for making sample size decisions. OBJECTIVE To guide the design of multiplier method population size estimation studies using respondent-driven sampling surveys to reduce the random error around the estimate obtained. METHODS Th...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید