Search Results for author: Joel Vaughan

Found 11 papers, 0 papers with code

Behavior of Hyper-Parameters for Selected Machine Learning Algorithms: An Empirical Investigation

no code implementations15 Nov 2022 Anwesha Bhattacharyya, Joel Vaughan, Vijayan N. Nair

Hyper-parameters (HPs) are an important part of machine learning (ML) model development and can greatly influence performance.

Quantifying Inherent Randomness in Machine Learning Algorithms

no code implementations24 Jun 2022 Soham Raste, Rahul Singh, Joel Vaughan, Vijayan N. Nair

Among the different algorithms, randomness in model training causes larger variation for FFNNs compared to tree-based methods.

BIG-bench Machine Learning

Traversing the Local Polytopes of ReLU Neural Networks

no code implementations AAAI Workshop AdvML 2022 Shaojie Xu, Joel Vaughan, Jie Chen, Aijun Zhang, Agus Sudjianto

Our polytope traversing algorithm can be adapted to a wide range of applications related to robustness and interpretability.

Traversing the Local Polytopes of ReLU Neural Networks: A Unified Approach for Network Verification

no code implementations17 Nov 2021 Shaojie Xu, Joel Vaughan, Jie Chen, Aijun Zhang, Agus Sudjianto

Although neural networks (NNs) with ReLU activation functions have found success in a wide range of applications, their adoption in risk-sensitive settings has been limited by the concerns on robustness and interpretability.

Supervised Linear Dimension-Reduction Methods: Review, Extensions, and Comparisons

no code implementations9 Sep 2021 Shaojie Xu, Joel Vaughan, Jie Chen, Agus Sudjianto, Vijayan Nair

Principal component analysis (PCA) is a well-known linear dimension-reduction method that has been widely used in data analysis and modeling.

Dimensionality Reduction

Adaptive Explainable Neural Networks (AxNNs)

no code implementations5 Apr 2020 Jie Chen, Joel Vaughan, Vijayan N. Nair, Agus Sudjianto

While machine learning techniques have been successfully applied in several fields, the black-box nature of the models presents challenges for interpreting and explaining the results.

Distributed Computing

Explainable Neural Networks based on Additive Index Models

no code implementations5 Jun 2018 Joel Vaughan, Agus Sudjianto, Erind Brahimi, Jie Chen, Vijayan N. Nair

In this paper, we present the Explainable Neural Network (xNN), a structured neural network designed especially to learn interpretable features.

Feature Engineering

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