Search Results for author: Lie Wang

Found 4 papers, 0 papers with code

Neyman-Pearson Classification under High-Dimensional Settings

no code implementations13 Aug 2015 Anqi Zhao, Yang Feng, Lie Wang, Xin Tong

Most existing binary classification methods target on the optimization of the overall classification risk and may fail to serve some real-world applications such as cancer diagnosis, where users are more concerned with the risk of misclassifying one specific class than the other.

Binary Classification Classification +4

Multivariate Regression with Calibration

no code implementations NeurIPS 2014 Han Liu, Lie Wang, Tuo Zhao

We propose a new method named calibrated multivariate regression (CMR) for fitting high dimensional multivariate regression models.

Activity Prediction regression

Optimization for Compressed Sensing: the Simplex Method and Kronecker Sparsification

no code implementations16 Dec 2013 Robert Vanderbei, Han Liu, Lie Wang, Kevin Lin

For the first approach, we note that the zero vector can be taken as the initial basic (infeasible) solution for the linear programming problem and therefore, if the true signal is very sparse, some variants of the simplex method can be expected to take only a small number of pivots to arrive at a solution.

Calibrated Multivariate Regression with Application to Neural Semantic Basis Discovery

no code implementations10 May 2013 Han Liu, Lie Wang, Tuo Zhao

We propose a calibrated multivariate regression method named CMR for fitting high dimensional multivariate regression models.

Activity Prediction regression

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