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Geostatistics distance learning

Authors:
Advisors: Duraiswami, Ramani
Department/Program: Computer Science
Type: Dissertation
Sponsors: Digital Repository at the University of Maryland
University of Maryland (College Park, Md.)
Subjects: Computer science
Keywords: geostatistics
gpus
kernel methods
learning
partial least squares
speaker recognition
Issue Date: 2011
Abstract: With improved data acquisition methods, the amount of data that is being collected has increased severalfold. One of the objectives in data collection is to learn useful underlying patterns. In order to work with data at this scale, the methods not only need to be effective with the underlying data, but also have to be scalable to handle larger data collections. This thesis focuses on developing scalable and effective methods targeted towards different domains, geostatistics and speaker recognition in particular. Initially we focus on kernel based learning methods and develop a GPU based parallel framework for this class of problems. An improved numerical algorithm that utilizes the GPU parallelization to further enhance the computational performance of kernel regression is proposed. These methods are then demonstrated on problems arising in geostatistics and speaker recognition. In geostatistics, data is often collected at scattered locations and factors like instrument malfunctioning lead to missing observations. Applications often require the ability interpolate this scattered spatiotemporal data on to a regular grid continuously over time. This problem can be formulated as a regression problem, and one of the most popular geostatistical interpolation techniques, kriging is analogous to a standard kernel method: Gaussian process regression. Kriging is computationally expensive and needs major modifications and accelerations in order to be used practically. The GPU framework developed for kernel methods is extended to kriging and further the GPU's texture memory is better utilized for enhanced...
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Popular Q&A

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How to study biostatistics through distance learning?

hello friends...i am considering a specialisation in biostatistics (MSc/pg diploma/etc) as an alternate career...can anyone suggest me what universities(india esp) offer courses in biostatistics at pg level n preferably through distance education?



all suggestions open .....

Courses in statistics (B. Sc., M.Sc., M.Phil, Ph.D.) are available in most of universities. Biostatistics is just the use of statistical methods in biology. You will not get biostatistics as a subject. Join statistics with IGNOU.

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