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math.NA2014
A Comparison of Clustering and Missing Data Methods for Health Sciences
Ran Zhao, Deanna Needell, Christopher Johansen +1
In this paper, we compare and analyze clustering methods with missing data in health behavior research. In particular, we propose and analyze the use of compressive sensing's matri…
math.NA2014★ 1 cited
Randomized Block Kaczmarz Method with Projection for Solving Least Squares
Deanna Needell, Ran Zhao, Anastasios Zouzias
The Kaczmarz method is an iterative method for solving overcomplete linear systems of equations Ax=b. The randomized version of the Kaczmarz method put forth by Strohmer and Vershy…