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ICML
2010
IEEE

On Sparse Nonparametric Conditional Covariance Selection

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On Sparse Nonparametric Conditional Covariance Selection
We develop a penalized kernel smoothing method for the problem of selecting nonzero elements of the conditional precision matrix, known as conditional covariance selection. This problem has a key role in many modern applications such as finance and computational biology. However, it has not been properly addressed. Our estimator is derived under minimal assumptions on the underlying probability distribution and works well in the high-dimensional setting. The efficiency of the algorithm is demonstrated on both simulation studies and the analysis of the stock market.
Mladen Kolar, Ankur P. Parikh, Eric P. Xing
Added 09 Nov 2010
Updated 09 Nov 2010
Type Conference
Year 2010
Where ICML
Authors Mladen Kolar, Ankur P. Parikh, Eric P. Xing
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