Search Results for author: Kwangho Kim

Found 8 papers, 5 papers with code

Fair and Robust Estimation of Heterogeneous Treatment Effects for Policy Learning

1 code implementation6 Jun 2023 Kwangho Kim, José R. Zubizarreta

We propose a simple and general framework for nonparametric estimation of heterogeneous treatment effects under fairness constraints.

Fairness

Doubly Robust Counterfactual Classification

no code implementations15 Jan 2023 Kwangho Kim, Edward H. Kennedy, José R. Zubizarreta

We study counterfactual classification as a new tool for decision-making under hypothetical (contrary to fact) scenarios.

Classification counterfactual +1

PLLay: Efficient Topological Layer based on Persistent Landscapes

1 code implementation NeurIPS 2020 Kwangho Kim, Jisu Kim, Manzil Zaheer, Joon Kim, Frederic Chazal, Larry Wasserman

We propose PLLay, a novel topological layer for general deep learning models based on persistence landscapes, in which we can efficiently exploit the underlying topological features of the input data structure.

PLLay: Efficient Topological Layer based on Persistence Landscapes

2 code implementations NeurIPS 2020 Kwangho Kim, Jisu Kim, Manzil Zaheer, Joon Sik Kim, Frederic Chazal, Larry Wasserman

We propose PLLay, a novel topological layer for general deep learning models based on persistence landscapes, in which we can efficiently exploit the underlying topological features of the input data structure.

Incremental Intervention Effects in Studies with Dropout and Many Timepoints

1 code implementation9 Jul 2019 Kwangho Kim, Edward H. Kennedy, Ashley I. Naimi

Modern longitudinal studies collect feature data at many timepoints, often of the same order of sample size.

Time Series Featurization via Topological Data Analysis

no code implementations7 Dec 2018 Kwangho Kim, Jisu Kim, Alessandro Rinaldo

We develop a novel algorithm for feature extraction in time series data by leveraging tools from topological data analysis.

Dimensionality Reduction Feature Engineering +3

Causal effects based on distributional distances

no code implementations8 Jun 2018 Kwangho Kim, Jisu Kim, Edward H. Kennedy

In this paper we develop a framework for characterizing causal effects via distributional distances.

counterfactual

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