71 citations · 74 across the 4 of their papers we have counts for
4 papers
High Dimensional Sparse Canonical Correlation Analysis for Elliptical Symmetric Distributions
Chengde Qian, Yanhong Liu, Long Feng
This paper proposes a robust high-dimensional sparse canonical correlation analysis (CCA) method for investigating linear relationships between two high-dimensional random vectors,…
High-dimensional Gaussian graphical model for network-linked data
Tianxi Li, Cheng Qian, Elizaveta Levina +1
Graphical models are commonly used to represent conditional dependence relationships between variables. There are multiple methods available for exploring them from high-dimensiona…
Twitter Activity Timeline as a Signature of Urban Neighborhood
Philipp Kats, Cheng Qian, Constantine Kontokosta +1
Modern cities are complex systems, evolving at a fast pace. Thus, many urban planning, political, and economic decisions require a deep and up-to-date understanding of the local co…
Structure of 311 Service Requests as a Signature of Urban Location
Lingjing Wang, Cheng Qian, Constantine Kontokosta +1
While urban systems demonstrate high spatial heterogeneity, many urban planning, economic and political decisions heavily rely on a deep understanding of local neighborhood context…