Search Results for author: Akira Koseki

Found 4 papers, 0 papers with code

Cumulative Stay-time Representation for Electronic Health Records in Medical Event Time Prediction

no code implementations28 Apr 2022 Takayuki Katsuki, Kohei Miyaguchi, Akira Koseki, Toshiya Iwamori, Ryosuke Yanagiya, Atsushi Suzuki

The MET of non-communicable diseases like diabetes is highly correlated to cumulative health conditions, more specifically, how much time the patient spent with specific health conditions in the past.

Time Series Time Series Analysis

Variational Inference for Discriminative Learning with Generative Modeling of Feature Incompletion

no code implementations ICLR 2022 Kohei Miyaguchi, Takayuki Katsuki, Akira Koseki, Toshiya Iwamori

We are concerned with the problem of distributional prediction with incomplete features: The goal is to estimate the distribution of target variables given feature vectors with some of the elements missing.

Imputation regression +1

Simpler Calibration for Survival Analysis

no code implementations29 Sep 2021 Hiroki Yanagisawa, Toshiya Iwamori, Akira Koseki, Michiharu Kudo, Mohamed Ghalwash, Prithwish Chakraborty

Therefore, X-CAL has recently been proposed for the calibration, which is supposed to be used as a regularization term in the loss function of a neural network.

regression Survival Analysis

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