Search Results for author: Takahiro Hoshino

Found 5 papers, 1 papers with code

Orthogonal Series Estimation for the Ratio of Conditional Expectation Functions

no code implementations26 Dec 2022 Kazuhiko Shinoda, Takahiro Hoshino

This chapter develops the general framework for estimation and inference on CEFR, which allows the use of flexible machine learning for infinite-dimensional nuisance parameters.

Causal Inference

Estimation of Local Average Treatment Effect by Data Combination

no code implementations11 Sep 2021 Kazuhiko Shinoda, Takahiro Hoshino

However, model selection and hyperparameter tuning for the direct least squares estimator can be unstable in practice since it is defined as a solution to the minimax problem.

Model Selection

Bayesian data combination model with Gaussian process latent variable model for mixed observed variables under NMAR missingness

no code implementations1 Sep 2021 Masaki Mitsuhiro, Takahiro Hoshino

In the analysis of observational data in social sciences and businesses, it is difficult to obtain a "(quasi) single-source dataset" in which the variables of interest are simultaneously observed.

valid

Positive-Unlabelled Survival Data Analysis

no code implementations26 Nov 2020 Tomoki Toyabe, Yasuhiro Hasegawa, Takahiro Hoshino

In this paper, we consider a novel framework of positive-unlabeled data in which as positive data survival times are observed for subjects who have events during the observation time as positive data and as unlabeled data censoring times are observed but whether the event occurs or not are unknown for some subjects.

Survival Analysis valid

Fatigue-Aware Ad Creative Selection

1 code implementation21 Aug 2019 Daisuke Moriwaki, Komei Fujita, Shota Yasui, Takahiro Hoshino

In online display advertising, selecting the most effective ad creative (ad image) for each impression is a crucial task for DSPs (Demand-Side Platforms) to fulfill their goals (click-through rate, number of conversions, revenue, and brand improvement).

Marketing

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