books.google.co.jp - Machine learning is an interdisciplinary field of science and engineering that studies mathematical theories and practical applications of systems that learn. This book introduces theories, methods, and applications of density ratio estimation, which is a newly emerging paradigm in the machine learning...http://books.google.co.jp/books/about/Density_Ratio_Estimation_in_Machine_Lear.html?hl=ja&id=NOQHkhcFJ0oC&q=assumption&utm_source=gb-gplus-shareDensity Ratio Estimation in Machine Learning
