Search Results for author: Hiroki Yanagisawa

Found 4 papers, 1 papers with code

Proper Scoring Rules for Survival Analysis

1 code implementation1 May 2023 Hiroki Yanagisawa

Survival analysis is the problem of estimating probability distributions for future event times, which can be seen as a problem in uncertainty quantification.

Survival Analysis Uncertainty Quantification

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

Sampler for Composition Ratio by Markov Chain Monte Carlo

no code implementations16 Jun 2019 Yachiko Obara, Tetsuro Morimura, Hiroki Yanagisawa

The key points of our approach are (1) designing an appropriate target distribution by using a condition on the number of nonzero elements, and (2) changing values only between a certain pair of elements in each iteration.

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