Search Results for author: Kazuya Nakagawa

Found 5 papers, 0 papers with code

Efficient Model Selection for Predictive Pattern Mining Model by Safe Pattern Pruning

no code implementations23 Jun 2023 Takumi Yoshida, Hiroyuki Hanada, Kazuya Nakagawa, Kouichi Taji, Koji Tsuda, Ichiro Takeuchi

Predictive pattern mining is an approach used to construct prediction models when the input is represented by structured data, such as sets, graphs, and sequences.

Model Selection

Selective Inference for Sparse High-Order Interaction Models

no code implementations ICML 2017 Shinya Suzumura, Kazuya Nakagawa, Yuta Umezu, Koji Tsuda, Ichiro Takeuchi

Finding statistically significant high-order interactions in predictive modeling is important but challenging task because the possible number of high-order interactions is extremely large (e. g., $> 10^{17}$).

Drug Response Prediction feature selection +1

Selective Inference Approach for Statistically Sound Predictive Pattern Mining

no code implementations15 Feb 2016 Shinya Suzumura, Kazuya Nakagawa, Mahito Sugiyama, Koji Tsuda, Ichiro Takeuchi

The main obstacle of this problem is in the difficulty of taking into account the selection bias, i. e., the bias arising from the fact that patterns are selected from extremely large number of candidates in databases.

Selection bias Two-sample testing

Safe Pattern Pruning: An Efficient Approach for Predictive Pattern Mining

no code implementations15 Feb 2016 Kazuya Nakagawa, Shinya Suzumura, Masayuki Karasuyama, Koji Tsuda, Ichiro Takeuchi

The SPP method allows us to efficiently find a superset of all the predictive patterns in the database that are needed for the optimal predictive model.

Graph Mining

Safe Feature Pruning for Sparse High-Order Interaction Models

no code implementations26 Jun 2015 Kazuya Nakagawa, Shinya Suzumura, Masayuki Karasuyama, Koji Tsuda, Ichiro Takeuchi

An SFS rule has a property that, if a feature satisfies the rule, then the feature is guaranteed to be non-active in the LASSO solution, meaning that it can be safely screened-out prior to the LASSO training process.

Sparse Learning Vocal Bursts Intensity Prediction

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