Search Results for author: Aiyou Chen

Found 4 papers, 0 papers with code

Bias Correction For Paid Search In Media Mix Modeling

no code implementations9 Jul 2018 Aiyou Chen, David Chan, Mike Perry, Yuxue Jin, Yunting Sun, Yueqing Wang, Jim Koehler

Evaluating the return on ad spend (ROAS), the causal effect of advertising on sales, is critical to advertisers for understanding the performance of their existing marketing strategy as well as how to improve and optimize it.


Pseudo-likelihood methods for community detection in large sparse networks

no code implementations10 Jul 2012 Arash A. Amini, Aiyou Chen, Peter J. Bickel, Elizaveta Levina

Many algorithms have been proposed for fitting network models with communities, but most of them do not scale well to large networks, and often fail on sparse networks.

Community Detection Stochastic Block Model

The method of moments and degree distributions for network models

no code implementations23 Feb 2012 Peter J. Bickel, Aiyou Chen, Elizaveta Levina

Probability models on graphs are becoming increasingly important in many applications, but statistical tools for fitting such models are not yet well developed.

Statistics Theory Statistics Theory

Cluster Forests

no code implementations14 Apr 2011 Donghui Yan, Aiyou Chen, Michael. I. Jordan

The search for good local clusterings is guided by a cluster quality measure kappa.

Clustering Ensemble

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