Search Results for author: Barbara Engelhardt

Found 6 papers, 2 papers with code

Compositional Q-learning for electrolyte repletion with imbalanced patient sub-populations

no code implementations6 Oct 2021 Aishwarya Mandyam, Andrew Jones, Jiayu Yao, Krzysztof Laudanski, Barbara Engelhardt

CFQI uses a compositional $Q$-value function with separate modules for each task variant, allowing it to take advantage of shared knowledge while learning distinct policies for each variant.

Decision Making Navigate +4

Nested Policy Reinforcement Learning for Clinical Decision Support

no code implementations29 Sep 2021 Aishwarya Mandyam, Andrew Jones, Krzysztof Laudanski, Barbara Engelhardt

Off-policy reinforcement learning (RL) has proven to be a powerful framework for guiding agents' actions in environments with stochastic rewards and unknown or noisy state dynamics.

Decision Making Navigate +3

A Divide and Conquer Strategy for High Dimensional Bayesian Factor Models

1 code implementation9 Dec 2016 Gautam Sabnis, Debdeep Pati, Barbara Engelhardt, Natesh Pillai

Our approach is novel in this regard: it includes all of the $n$ samples in each subproblem and, instead, splits the dimension $p$ into smaller subsets for each subproblem.

Methodology

AdaCluster : Adaptive Clustering for Heterogeneous Data

no code implementations19 Oct 2015 Mehmet Emin Basbug, Barbara Engelhardt

We compare AdaCluster with EM for a Gaussian mixture model on synthetic data and nine UCI data sets.

Clustering

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