Search Results for author: Agus Sudjianto

Found 25 papers, 4 papers with code

Interpretable Machine Learning based on Functional ANOVA Framework: Algorithms and Comparisons

no code implementations25 May 2023 Linwei Hu, Vijayan N. Nair, Agus Sudjianto, Aijun Zhang, Jie Chen

To understand and explain the model results, one had to rely on post hoc explainability techniques, which are known to have limitations.

Interpretable Machine Learning

PiML Toolbox for Interpretable Machine Learning Model Development and Diagnostics

1 code implementation7 May 2023 Agus Sudjianto, Aijun Zhang, Zebin Yang, Yu Su, Ningzhou Zeng

PiML (read $\pi$-ML, /`pai`em`el/) is an integrated and open-access Python toolbox for interpretable machine learning model development and model diagnostics.

Fairness Interpretable Machine Learning

Enhancing Robustness of Gradient-Boosted Decision Trees through One-Hot Encoding and Regularization

no code implementations26 Apr 2023 Shijie Cui, Agus Sudjianto, Aijun Zhang, Runze Li

Gradient-boosted decision trees (GBDT) are widely used and highly effective machine learning approach for tabular data modeling.

regression

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.

Designing Inherently Interpretable Machine Learning Models

1 code implementation2 Nov 2021 Agus Sudjianto, Aijun Zhang

Interpretable machine learning (IML) becomes increasingly important in highly regulated industry sectors related to the health and safety or fundamental rights of human beings.

BIG-bench Machine Learning Interpretable Machine Learning

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

Self-interpretable Convolutional Neural Networks for Text Classification

no code implementations18 May 2021 Wei Zhao, Rahul Singh, Tarun Joshi, Agus Sudjianto, Vijayan N. Nair

We also study the impact of the complexity of the convolutional layers and the classification layers on the model performance.

text-classification Text Classification

Bias, Fairness, and Accountability with AI and ML Algorithms

no code implementations13 May 2021 Nengfeng Zhou, Zach Zhang, Vijayan N. Nair, Harsh Singhal, Jie Chen, Agus Sudjianto

In this paper, we provide an overview of bias and fairness issues that arise with the use of ML algorithms.

Fairness

Linear Iterative Feature Embedding: An Ensemble Framework for Interpretable Model

no code implementations18 Mar 2021 Agus Sudjianto, Jinwen Qiu, Miaoqi Li, Jie Chen

The LIFE algorithm is able to fit a wide single-hidden-layer neural network (NN) accurately with three steps: defining the subsets of a dataset by the linear projections of neural nodes, creating the features from multiple narrow single-hidden-layer NNs trained on the different subsets of the data, combining the features with a linear model.

Unwrapping The Black Box of Deep ReLU Networks: Interpretability, Diagnostics, and Simplification

1 code implementation8 Nov 2020 Agus Sudjianto, William Knauth, Rahul Singh, Zebin Yang, Aijun Zhang

We propose the local linear profile plot and other visualization methods for interpretation and diagnostics, and an effective merging strategy for network simplification.

Surrogate Locally-Interpretable Models with Supervised Machine Learning Algorithms

no code implementations28 Jul 2020 Linwei Hu, Jie Chen, Vijayan N. Nair, Agus Sudjianto

Supervised Machine Learning (SML) algorithms, such as Gradient Boosting, Random Forest, and Neural Networks, have become popular in recent years due to their superior predictive performance over traditional statistical methods.

BIG-bench Machine Learning regression

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

GAMI-Net: An Explainable Neural Network based on Generalized Additive Models with Structured Interactions

2 code implementations16 Mar 2020 Zebin Yang, Aijun Zhang, Agus Sudjianto

The lack of interpretability is an inevitable problem when using neural network models in real applications.

Additive models

Time Series Simulation by Conditional Generative Adversarial Net

no code implementations25 Apr 2019 Rao Fu, Jie Chen, Shutian Zeng, Yiping Zhuang, Agus Sudjianto

Generative Adversarial Net (GAN) has been proven to be a powerful machine learning tool in image data analysis and generation.

Time Series Time Series Analysis

Deep-learning based numerical BSDE method for barrier options

no code implementations11 Apr 2019 Bing Yu, Xiaojing Xing, Agus Sudjianto

In this approach, deep learning is used to learn some deterministic functions, which are used in solving the BSDE with terminal conditions.

Enhancing Explainability of Neural Networks through Architecture Constraints

no code implementations12 Jan 2019 Zebin Yang, Aijun Zhang, Agus Sudjianto

It leads to an explainable neural network (xNN) with the superior balance between prediction performance and model interpretability.

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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