no code implementations • 10 Sep 2024 • Nan Liu, Yanbo Liu, Yuya Sasaki
This paper proposes methods of estimation and uniform inference for a general class of causal functions, such as the conditional average treatment effects and the continuous treatment effects, under multiway clustering.
no code implementations • 4 Aug 2024 • Yuya Sasaki, Panagiotis Karras
In this paper, we introduce the problem of path association rule mining (PARM).
no code implementations • 24 Mar 2024 • Yechan Park, Yuya Sasaki
This paper addresses the challenge of estimating the Average Treatment Effect on the Treated Survivors (ATETS; Vikstrom et al., 2018) in the absence of long-term experimental data, utilizing available long-term observational data instead.
no code implementations • 24 Mar 2024 • Yuya Sasaki, Sohei Tokuno, Haruka Maeda, Osamu Sakura
Which fairness metrics are appropriately applicable in your contexts?
no code implementations • 2 Mar 2024 • Yuya Sasaki, Jing Tao, Yulong Wang
To conduct inference, we propose to debias the regularized estimate, and establish the asymptotic normality of the debiased estimator.
no code implementations • 22 Jan 2024 • Yechan Park, Yuya Sasaki
Combining short-term experimental data with observational data enables credible long-term policy evaluation.
1 code implementation • 30 Aug 2023 • Yuya Sasaki
Furthermore, we show ExGNAS is effective in analyzing the difference between GNN architectures in homophilic and heterophilic graphs.
no code implementations • 20 Aug 2023 • Harold D. Chiang, Yuya Sasaki, Yulong Wang
Conventional methods of cluster-robust inference are inconsistent in the presence of unignorably large clusters.
1 code implementation • 14 Jun 2023 • Seiji Maekawa, Yuya Sasaki, Makoto Onizuka
In response, we propose a simple yet holistic classification method A2DUG which leverages all combinations of node representations in directed and undirected graphs.
Ranked #1 on Node Classification on wiki
1 code implementation • 8 Jun 2023 • Keizo Hori, Yuya Sasaki, Daichi Amagata, Yuki Murosaki, Makoto Onizuka
Due to the significant increase in the size of spatial data, it is essential to use distributed parallel processing systems to efficiently analyze spatial data.
no code implementations • 18 Apr 2023 • Yukun Ma, Pedro H. C. Sant'Anna, Yuya Sasaki, Takuya Ura
In this paper, we derive a new class of doubly robust estimators for treatment effect estimands that is also robust against weak covariate overlap.
1 code implementation • 31 Mar 2023 • Ryuichi Ito, Yuya Sasaki, Chuan Xiao, Makoto Onizuka
In recent years, machine learning-based cardinality estimation methods are replacing traditional methods.
no code implementations • 31 Jan 2023 • Harold D Chiang, Yuya Sasaki
We, therefore, hope that this paper will provide a theoretical justification for the legitimacy of most, if not all, of the thousands of those empirical papers that have used the TWCR standard errors.
no code implementations • 27 Nov 2022 • Yuya Sasaki, Yulong Wang
This paper proposes a new CIC estimator to accurately estimate treatment effects at extreme quantiles.
no code implementations • 31 Oct 2022 • Yuya Sasaki, Yulong Wang
In light of these negative results about the existing CR methods, we propose a weighted CR (WCR) method as a simple fix.
no code implementations • 13 Sep 2022 • Hao Dong, Yuya Sasaki
Based on the proposed estimator, we construct a formal test on the sub-unity of the marginal propensity to consume out of permanent income (MPCP) under a nonparametric consumption model and a permanent-transitory model of income dynamics with nonparametric distribution.
1 code implementation • 25 Jul 2022 • Seiji Maekawa, Yuya Sasaki, George Fletcher, Makoto Onizuka
We propose a framework that automatically transforms non-scalable GNNs into precomputation-based GNNs which are efficient and scalable for large-scale graphs.
no code implementations • 6 Jul 2022 • Ryuichi Ito, Seng Pei Liew, Tsubasa Takahashi, Yuya Sasaki, Makoto Onizuka
Applying Differentially Private Stochastic Gradient Descent (DPSGD) to training modern, large-scale neural networks such as transformer-based models is a challenging task, as the magnitude of noise added to the gradients at each iteration scales with model dimension, hindering the learning capability significantly.
1 code implementation • 27 Jun 2022 • Koji Matsuda, Yuya Sasaki, Chuan Xiao, Makoto Onizuka
Federated learning is a distributed machine learning approach in which a single server and multiple clients collaboratively build machine learning models without sharing datasets on clients.
1 code implementation • 21 Jun 2022 • Yuya Sasaki, Junya Takayama, Juan Ramón Santana, Shohei Yamasaki, Tomoya Okuno, Makoto Onizuka
Nowadays, so as to improve services and urban areas livability, multiple smart city initiatives are being carried out throughout the world.
1 code implementation • 18 Jun 2022 • Seiji Maekawa, Koki Noda, Yuya Sasaki, Makoto Onizuka
We hope this work offers interesting insights for future research.
no code implementations • 9 Jun 2022 • Ji Hyung Lee, Yuya Sasaki, Alexis Akira Toda, Yulong Wang
Accurately estimating income Pareto exponents is challenging due to limitations in data availability and the applicability of statistical methods.
no code implementations • 12 Apr 2022 • Ji Hyung Lee, Yuya Sasaki, Alexis Akira Toda, Yulong Wang
Administrative data are often easier to access as tabulated summaries than in the original format due to confidentiality concerns.
no code implementations • 15 Mar 2022 • Silvia Sarpietro, Yuya Sasaki, Yulong Wang
Our empirical analysis reveals that population kurtosis, skewness, and variance often do not exist for the conditional distribution of earnings growth.
no code implementations • 30 Jan 2022 • Misato Horiuchi, Yuya Sasaki, Chuan Xiao, Makoto Onizuka
In this paper, we propose a similarity search on computational notebooks and develop a new framework for the similarity search.
no code implementations • 27 Jan 2022 • Harold D Chiang, Bruce E Hansen, Yuya Sasaki
We propose improved standard errors and an asymptotic distribution theory for two-way clustered panels.
no code implementations • 22 Oct 2021 • Yuya Sasaki, Takuya Ura
Panel data often contain stayers (units with no within-variations) and slow movers (units with little within-variations).
no code implementations • 15 Oct 2021 • Koji Matsuda, Yuya Sasaki, Chuan Xiao, Makoto Onizuka
First, to optimize the model architectures for local data, clients tune their own personalized models by comparing to exchanged models and picking the one that yields the best performance.
no code implementations • 8 Oct 2021 • Harold D Chiang, Yukun Ma, Joel Rodrigue, Yuya Sasaki
Together with the use of Neyman orthogonal scores, this novel cross fitting method enables root-$n$ consistent estimation and inference robustly against dyadic dependence.
no code implementations • 21 Aug 2021 • Jooyoung Cha, Harold D. Chiang, Yuya Sasaki
This paper proposes a new method of inference in high-dimensional regression models and high-dimensional IV regression models.
no code implementations • 16 Aug 2021 • Yuya Sasaki, Kei Harada, Shohei Yamasaki, Makoto Onizuka
Since existing methods aim to infer air quality of locations only in monitored cities, they do not assume inferring air quality in unmonitored cities.
no code implementations • 20 May 2021 • Ji Hyung Lee, Yuya Sasaki, Alexis Akira Toda, Yulong Wang
We develop a novel fixed-k tail regression method that accommodates the unique feature in the Forbes 400 data that observations are truncated from below at the 400th largest order statistic.
no code implementations • 29 Apr 2021 • Xavier D'Haultfoeuille, Stefan Hoderlein, Yuya Sasaki
Under our conditions, the time trend can be identified using a control group, as in the binary difference-in-differences literature.
no code implementations • 28 Feb 2021 • Harold D. Chiang, Jiatong Li, Yuya Sasaki
This paper proposes a novel method of algorithmic subsampling (data sketching) for multiway cluster dependent data.
no code implementations • 12 Feb 2021 • Harold D. Chiang, Kengo Kato, Yuya Sasaki, Takuya Ura
We develop a novel method of constructing confidence bands for nonparametric regression functions under shape constraints.
no code implementations • 14 Dec 2020 • Yuya Sasaki, Takuya Ura
Consider a causal structure with endogeneity (i. e., unobserved confoundedness) in empirical data, where an instrumental variable is available.
no code implementations • 10 Sep 2020 • Harold D. Chiang, Kengo Kato, Yuya Sasaki
We consider inference for high-dimensional separately and jointly exchangeable arrays where the dimensions may be much larger than the sample sizes.
no code implementations • 27 Jul 2020 • Yuya Sasaki, Takuya Ura, Yichong Zhang
This paper considers estimation and inference for heterogeneous counterfactual effects with high-dimensional data.