711 search results - page 90 / 143 » On multivariate estimation by thresholding |
ICML
2006
IEEE
14 years 10 months ago
2006
IEEE
We consider the problem of fitting a large-scale covariance matrix to multivariate Gaussian data in such a way that the inverse is sparse, thus providing model selection. Beginnin...
ISBI
2006
IEEE
14 years 9 months ago
2006
IEEE
Multivariate analysis methods such as independent component analysis (ICA) have been applied to the analysis of functional magnetic resonance imaging (fMRI) data to study the brai...
ARCS
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. Java is widely deployed on a variety of processor architectures. Consequently, an understanding of microarchitecture level Java performance is critical to optimize curren...
RECSYS
2009
ACM
14 years 3 months ago
2009
ACM
A fundamental aspect of rating-based recommender systems is the observation process, the process by which users choose the items they rate. Nearly all research on collaborative ï¬...
CEC
2008
IEEE
14 years 3 months ago
2008
IEEE
— This paper presents Natural Evolution Strategies (NES), a novel algorithm for performing real-valued ‘black box’ function optimization: optimizing an unknown objective func...