283 citations · 933 across the 29 of their papers we have counts for
4 papers · 1 filter
Estimating a Common Period for a Set of Irregularly Sampled Functions with Applications to Periodic Variable Star Data
James P. Long, Eric C. Chi, Richard G. Baraniuk
We consider the estimation of a common period for a set of functions sampled at irregular intervals. The problem arises in astronomy, where the functions represent a star's brightn…
-POD: A Method for -Means Clustering of Missing Data
Jocelyn T. Chi, Eric C. Chi, Richard G. Baraniuk
The -means algorithm is often used in clustering applications but its usage requires a complete data matrix. Missing data, however, is common in many applications. Mainstream ap…
Convex Clustering: An Attractive Alternative to Hierarchical Clustering
Gary K. Chen, Eric Chi, John Ranola +1
The primary goal in cluster analysis is to discover natural groupings of objects. The field of cluster analysis is crowded with diverse methods that make special assumptions about…
Convex Biclustering
Eric C. Chi, Genevera I. Allen, Richard G. Baraniuk
In the biclustering problem, we seek to simultaneously group observations and features. While biclustering has applications in a wide array of domains, ranging from text mining to…