Search Results for author: Takuma Tanaka

Found 4 papers, 0 papers with code

Counterfactual Explanations of Black-box Machine Learning Models using Causal Discovery with Applications to Credit Rating

no code implementations5 Feb 2024 Daisuke Takahashi, Shohei Shimizu, Takuma Tanaka

However, this assumption complicates the application of such models to real data, given that the causal relationships between features are unknown in most cases.

Causal Discovery counterfactual +2

Money flow network among firms' accounts in a regional bank of Japan

no code implementations29 Jul 2020 Yoshi Fujiwara, Hiroyasu Inoue, Takayuki Yamaguchi, Hideaki Aoyama, Takuma Tanaka

In this study, we investigate the flow of money among bank accounts possessed by firms in a region by employing an exhaustive list of all the bank transfers in a regional bank in Japan, to clarify how the network of money flow is related to the economic activities of the firms.

Use of recurrent infomax to improve the memory capability of input-driven recurrent neural networks

no code implementations14 Feb 2018 Hisashi Iwade, Kohei Nakajima, Takuma Tanaka, Toshio Aoyagi

The inherent transient dynamics of recurrent neural networks (RNNs) have been exploited as a computational resource in input-driven RNNs.

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