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SAC
2016
ACM
8 years 7 months ago
Computing with Fisher geodesics and extended exponential families
Abstract Recent progress using geometry in the design of efficient Markov chain Monte Carlo (MCMC) algorithms have shown the effectiveness of the Fisher Riemannian structure. Furt...
Frank Critchley, Paul Marriott
SAC
2016
ACM
8 years 7 months ago
Fast covariance estimation for high-dimensional functional data
For smoothing covariance functions, we propose two fast algorithms that scale linearly with the number of observations per function. Most available methods and software cannot smo...
Luo Xiao, Vadim Zipunnikov, David Ruppert, Ciprian...
SAC
2016
ACM
8 years 7 months ago
Nonlinear kernel density principal component analysis with application to climate data
Abstract Principal component analysis (PCA) is a wellestablished tool for identifying the main sources of variation in multivariate data. However, as a linear method it cannot desc...
Seppo Pulkkinen