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CSDA
2016
2 years 8 months ago
Sparse estimation of high-dimensional correlation matrices
Estimating covariations of variables for high dimensional data is important for understanding their relations. Recent years have seen several attempts to estimate covariance matri...
Ying Cui, Chenlei Leng, Defeng Sun
CSCW
2016
ACM
2 years 8 months ago
A Contingency View of Transferring and Adapting Best Practices within Online Communities
Online communities, much like companies in the business world, often need to transfer “best practices” internally from one unit to another to improve their performance. Organi...
Haiyi Zhu, Robert E. Kraut, Aniket Kittur
CSCW
2016
ACM
2 years 8 months ago
Beyond Talking Heads: Multimedia Artifact Creation, Use, and Sharing in Distributed Meetings
Distributed meetings can be messy, particularly when the task requires collaboration around multimedia artifacts. Teams must not only share a variety of materials related to the w...
Jennifer Marlow, Scott A. Carter, Nathaniel Good, ...
CSDA
2016
2 years 8 months ago
Bayesian network data imputation with application to survival tree analysis
Retrospective clinical datasets are often characterized by a relatively small sample size and many missing data. In this case, a common way for handling the missingness consists i...
Paola M. V. Rancoita, Marco Zaffalon, Emanuele Zuc...
Social Sciences
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