Least-Squares Conditional Density Estimation

  title={Least-Squares Conditional Density Estimation},
  author={Masashi Sugiyama and Ichiro Takeuchi and Taiji Suzuki and Takafumi Kanamori and Hirotaka Hachiya and Daisuke Okanohara},
  journal={IEICE Transactions},
Estimating the conditional mean of an input-output relation is the goal of regression. However, regression analysis is not sufficiently informative if the conditional distribution has multi-modality, is highly asymmetric, or contains heteroscedastic noise. In such scenarios, estimating the conditional distribution itself would be more useful. In this paper, we propose a novel method of conditional density estimation that is suitable for multi-dimensional continuous variables. The basic idea of… CONTINUE READING
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Condition number analysis of kernelbased density ratio estimation

  • T. Kanamori, T. Suzuki, M. Sugiyama
  • Tech. Rep. TR09-0006, Department of Computer…
  • 2009
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