Tuesday, October 30, 2012
12:00 pm
105 Annenberg
IST Lunch Bunch
Series:IST Lunch Bunch
Computational and Sample Tradeoffs via Convex Relaxation
Venkat Chandrasekaran, Assistant Professor, Computing & Mathematical Sciences, Caltech
In modern data analysis, one is frequently faced with statistical
inference problems involving massive datasets. Processing such large
datasets is usually viewed as a substantial computational challenge.
However, if data are a statistician's main resource then access to more data
should be viewed as an asset rather than as a burden. In this talk we
discuss a computational framework based on convex relaxation to reduce the
computational complexity of an inference procedure when one has access to
increasingly larger datasets. Essentially, the statistical gains from
larger datasets can be exploited to reduce the runtime of inference
algorithms. (Joint work with Michael Jordan.)
Contact Sydney Garstang sydney@caltech.edu at 626-395-4555
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